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  • Pregnancy  (49)
  • American Association for the Advancement of Science (AAAS)  (49)
  • American Chemical Society
  • American Meteorological Society
  • 1980-1984  (49)
  • 1925-1929
  • 1983  (22)
  • 1982  (27)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (49)
  • American Chemical Society
  • American Meteorological Society
  • Springer  (5)
Years
  • 1980-1984  (49)
  • 1925-1929
Year
  • 1
    Publication Date: 1982-11-12
    Description: Female athymic nude mice and their phenotypically normal littermates were exposed transplacentally to ethylnitrosourea. Skin tumors (papillomas and sebaceous adenomas) developed on the nude mice with an almost tenfold greater incidence than on their haired littermates. Skin tumors were also induced on nude mice but not haired controls by direct intraperitoneal treatment with ethylnitrosourea. These results indicate that nude mice have higher than normal susceptibility to carcinogenesis under some circumstances.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, L M -- Last-Barney, K -- Budinger, J M -- CA 08748/CA/NCI NIH HHS/ -- CA 22498/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1982 Nov 12;218(4573):682-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7134965" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoma/chemically induced ; Animals ; *Ethylnitrosourea ; Female ; *Maternal-Fetal Exchange ; Mice ; Mice, Nude/*physiology ; Neoplasms, Experimental/chemically induced ; *Nitrosourea Compounds ; Pregnancy ; Sebaceous Gland Neoplasms/chemically induced ; Skin Neoplasms/*chemically induced
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 2
    Publication Date: 1982-10-29
    Description: Exposure of rats to cimetidine during intrauterine life and the immediate neonatal period results in hypoandrogenization in adult life with decreased weights of androgen-dependent tissues and decreased concentrations of testosterone. Moreover, sexual behavior patterns in adult life are disturbed as shown by a lack of sexual motivation and decreased performance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anand, S -- Van Thiel, D H -- New York, N.Y. -- Science. 1982 Oct 29;218(4571):493-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123252" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Drug-Induced/*etiology ; Animals ; Animals, Suckling ; Cimetidine/metabolism/*toxicity ; Female ; Guanidines/*toxicity ; Male ; Pregnancy ; Pregnancy, Animal/drug effects ; Rats ; Sex Differentiation/*drug effects ; Sexual Behavior, Animal/drug effects
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  • 3
    Publication Date: 1982-10-08
    Description: Rats whose pregnancies were surgically terminated on day 17 of gestation were injected with morphine, morphine plus naloxone hydrochloride, or saline, and then tested for maternal responsiveness toward foster young. Morphine treatment alone significantly disrupted the rate of onset and quality of maternal responsiveness. Concurrent administration of naloxone to morphine-injected rats reinstated the rapid onset of behavioral responsiveness toward foster young, such that the responsiveness of the rats treated with both morphine and naloxone was indistinguishable from that shown by saline-injected controls. The disruptive effects of morphine did not appear to result from a general reduction in activity levels as measured in an open-field apparatus. These findings suggest that the normal onset and maintenance of maternal behavior in the rat may be regulated by endogenous opiates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bridges, R S -- Grimm, C T -- New York, N.Y. -- Science. 1982 Oct 8;218(4568):166-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123227" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/*drug effects ; Drug Antagonism ; Female ; Morphine/*pharmacology ; Naloxone/*pharmacology ; Pregnancy ; Rats ; Rats, Inbred Strains
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-10-01
    Description: Mouse embryos were grown successfully in vitro from the blastocyst stage to the limb bud stage. Mouse blastocysts grown in vitro for 10 days showed blood circulation in the yilk sac, forelimb buds, and the primordia of liver, pancreas, and lungs. These characteristics are indicative of a developmental stage equivalent to one-half of the total gestation period in utero. Improvements in culture conditions from days 7 to 9 have made it feasible to culture mouse blastocysts beyond the early somite stage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, L T -- Hsu, Y C -- AM 19535/AM/NIADDK NIH HHS/ -- AM 28550/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1982 Oct 1;218(4567):66-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123220" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/*physiology ; Cell Differentiation ; Culture Media ; Culture Techniques ; Embryo, Mammalian/*physiology ; Female ; Fetal Blood ; Humans ; Mice ; Pregnancy ; Yolk Sac/physiology
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  • 5
    Publication Date: 1982-01-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Klein, N W -- Plenefisch, J D -- Carey, S W -- Fredrickson, W T -- Sackett, G P -- Burbacher, T M -- Parker, R M -- HD02774/HD/NICHD NIH HHS/ -- HD08633/HD/NICHD NIH HHS/ -- RR00166/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1982 Jan 1;215(4528):66-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7053560" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Veterinary/*blood ; Animals ; Congenital Abnormalities/*etiology ; Ectogenesis ; Female ; Macaca nemestrina/blood ; Mice ; Pregnancy ; Rats
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  • 6
    Publication Date: 1982-10-08
    Description: A synthetic antagonist of luteinizing hormone-releasing hormone blocked ovulation in rats in a dose-dependent manner when given by gavage on the afternoon of proestrus. Ovulation was delayed for at least 1 day in all animals given 2 milligrams of antogonist and in some of the animals treated with 1 or 0.5 milligram. Oral administration of 2 milligrams also blocked the preovulatory surge of luteinizing hormone. This demonstration that antagonists of luteinizing hormone-releasing hormone can have oral antiovulatory activity clearly enhances their therapeutic potential.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nekola, M B -- Horvath, A -- Ge, L J -- Coy, D H -- Schally, A V -- HD-0-2831/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1982 Oct 8;218(4568):160-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6750790" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Animals ; Female ; Gonadotropin-Releasing Hormone/*analogs & derivatives/pharmacology ; Luteinizing Hormone/secretion ; Ovulation/*drug effects ; Pregnancy ; Proestrus/drug effects ; Rats ; Rats, Inbred Strains
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  • 7
    Publication Date: 1982-04-09
    Description: A riboflavin carrier protein isolated from chickens cross-reacts with a gestation-specific rodent carrier for riboflavin. Active immunization of female rats of proved fertility with the purified chicken carrier protein completely yet reversibly suppressed early pregnancy without impairing implantation per se. Concurrently there were no discernible adverse effects on maternal health in terms of weight gain, vitamin status, and fertility.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murty, C V -- Adiga, P R -- New York, N.Y. -- Science. 1982 Apr 9;216(4542):191-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063879" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies ; Carrier Proteins/*immunology ; Female ; Fetal Resorption/immunology ; Flavins/blood ; Glutathione Reductase/blood ; Immunization ; *Membrane Transport Proteins ; Pregnancy ; *Pregnancy, Animal ; Progesterone/blood ; Rats
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  • 8
    Publication Date: 1982-11-12
    Description: When ethanol was administered intravenously to pregnant monkeys, a transient but marked collapse of umbilical vasculature was observed uniformly within about 15 minutes. The ethanol-induced impairment of umbilical circulation produced severe hypoxia and acidosis in the fetus; recovery occurred during the succeeding hour. This striking interruption of feto-placental circulation may explain one of the mechanisms of mental retardation, a frequent manifestation in children afflicted with fetal alcohol syndrome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mukherjee, A B -- Hodgen, G D -- New York, N.Y. -- Science. 1982 Nov 12;218(4573):700-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6890235" target="_blank"〉PubMed〈/a〉
    Keywords: Acetaldehyde/blood ; Animals ; Disease Models, Animal ; Ethanol/blood/*pharmacology ; Female ; Fetal Alcohol Spectrum Disorders/*etiology ; Fetal Distress/*chemically induced ; Macaca fascicularis ; Macaca mulatta ; Pregnancy ; Pregnancy, Animal/*drug effects ; Umbilical Cord/*drug effects
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  • 9
    Publication Date: 1982-03-05
    Description: Norethisterone (17 alpha-ethynyl-19-nortestosterone) is an effective irreversible inhibitor of estrogen synthetase (aromatase), the enzyme responsible for the conversion of androgens to estrogens, even at a 2 X 10(-6) molar concentration. This irreversible inactivation, which is directed toward the active site of aromatase and requires the cofactor-reduced nicotinamide adenine dinucleotide phosphate, is both time- and concentration-dependent. Ethisterone (17 alpha-ethynyltestosterone), in contrast, is not a suicide inhibitor of aromatase even at concentrations of 10(-4) molar.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Osawa, Y -- Yarborough, C -- HDO4945/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1982 Mar 5;215(4537):1249-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7058343" target="_blank"〉PubMed〈/a〉
    Keywords: *Aromatase Inhibitors ; Binding Sites/drug effects ; Contraceptives, Oral/*pharmacology ; Estrogens/*biosynthesis ; Female ; Humans ; Kinetics ; Microsomes/enzymology ; Norethindrone/*pharmacology ; Oxidoreductases/*antagonists & inhibitors ; Placenta/enzymology ; Pregnancy
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-07-23
    Description: The sexual behavior of rhesus monkeys in 15 male-female pairings was observed in both a large and a small area during the follicular and luteal phases of the female's cycle. Males ejaculated in all tests at the follicular phase of the female's cycle and in 53 percent of tests at the luteal phase. However, a significant decline in ejaculation during tests at the luteal phase occurred in the large, but not in the small area. Thus the degree to which the pair's sexual behavior was influenced by the female's hormonal state depended on the spatial conditions of the test.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wallen, K -- MH35835/MH/NIMH NIH HHS/ -- RR-00165/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1982 Jul 23;217(4557):375-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7201164" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Copulation ; Ejaculation ; *Estrus ; Female ; Macaca/*physiology ; Macaca mulatta/*physiology ; Male ; Pregnancy ; Proestrus ; Sexual Behavior, Animal/*physiology ; Social Behavior ; *Spatial Behavior
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  • 11
    Publication Date: 1982-12-24
    Description: Spectral analysis of spontaneous fluctuations in human fetal movement revealed strong oscillations at frequencies between 0.24 and 0.90 cycle per minute, which are much higher than those of the cyclic alternation of quiet and active states in the fetus and neonate. Oscillations at frequencies up to 2.88 cycles per minute were also detected, but they were usually much weaker. The prominent peaks in the fetal movement spectra are in the frequency range of recently reported neonatal motor rhythms, and indicate the existence of a cyclic process controlling spontaneous motor output that oscillates near one cycle per minute and begins to function in utero.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robertson, S S -- Dierker, L J -- Sorokin, Y -- Rosen, M G -- M01RR00210/RR/NCRR NIH HHS/ -- P50HD11089/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1982 Dec 24;218(4579):1327-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7146916" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Fetus/*physiology ; Humans ; *Movement ; Pregnancy ; Pregnancy Trimester, Third ; Spectrum Analysis/methods ; Time Factors
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  • 12
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-11-04
    Description: Blink-startle responses to vibroacoustic stimulation were monitored ultrasonically in human fetuses of known gestational age. Responses were first elicited between 24 and 25 weeks of gestational age and were present consistently after 28 weeks. Defining the developmental sequence for audition provides a foundation for diagnosing deafness and recognizing aberrant responses antenatally.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Birnholz, J C -- Benacerraf, B R -- New York, N.Y. -- Science. 1983 Nov 4;222(4623):516-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6623091" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Ear/*embryology ; Female ; Fetus/*physiology ; Gestational Age ; *Hearing ; Humans ; Pregnancy ; Ultrasonography ; Vibration
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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-03-25
    Description: The activity of 7,12-dimethylbenz[a]anthracene hydroxylase in the rat ovary is several times higher in the proestrous phase of the estrous cycle than in the estrous and metestrous plus diestrous phases. Administration of gonadotropin leads to a similar increase in the capacity of the ovary to metabolize xenobiotics. This variation in the activity of 7,12-dimethylbenz[a]anthracene hydroxylase during the estrous cycle may be related to the marked changes in the incidence of ovarian cancer during menopause and in women taking contraceptive pills.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bengtsson, M -- Rydstrom, J -- New York, N.Y. -- Science. 1983 Mar 25;219(4591):1437-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6681915" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aryl Hydrocarbon Hydroxylases/*metabolism ; Cytochrome P-450 Enzyme System/metabolism ; Epoxide Hydrolases/metabolism ; *Estrus ; Female ; Glutathione Transferase/metabolism ; Gonadotropins, Equine/*pharmacology ; Metestrus ; Ovary/*physiology ; Pregnancy ; Proestrus ; Quinone Reductases/metabolism ; Rats ; Rats, Inbred Strains
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-03-19
    Description: Laetrile administered orally ot pregnant hamsters caused skeletal malformations in the offspring, but intravenous laetrile filed to result in embryopathic effects. Oral laetrile significantly increased in situ cyanide concentrations, while intravenous laetrile did not. Thiosulfate administration protected embryos from the teratogenic effects of oral laetrile. The embryopathic effects of oral laetrile appear to be due to cyanide released by bacterial beta-glucosidase activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willhite, C C -- New York, N.Y. -- Science. 1982 Mar 19;215(4539):1513-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063858" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Drug-Induced/*etiology ; Administration, Oral ; Amygdalin/administration & dosage/metabolism/*toxicity ; Animals ; Cricetinae ; Female ; Injections, Intravenous ; Pregnancy
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-09-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1983 Sep 23;221(4617):1244-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6684327" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dose-Response Relationship, Drug ; Ethanol/*adverse effects ; Female ; Pregnancy ; Pregnancy, Animal/*drug effects
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-08-26
    Description: The rate of increase of population in less developed countries accelerated rapidly from 1850 to 1960 because of a rapid decline in mortality while fertility remained high. In the 1960's, the birth rate as a whole began to decline more rapidly than the death rate--very rapidly in some populations, most notably that of China, more gradually in others, and not at all in some of the poorest populations. The momentum of growth implies continued increase in populations for several decades even in countries where fertility has fallen the most, and very large additional increases where there has been no decline in the rate of childbearing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coale, A J -- New York, N.Y. -- Science. 1983 Aug 26;221(4613):828-32.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6879179" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Birth Rate ; *Developing Countries ; Female ; *Fertility ; Humans ; Marriage ; Parity ; Pregnancy
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  • 17
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-10-14
    Description: In vitro fertilization, in its first 5 years of use, has met minimum standards for efficacy and safety, as judged by published clinical reports. It is becoming more widely available as an approach for overcoming sterility in married couples and appears also to be gaining social acceptance in that context. Several technical options presented by the procedure, particularly storage of frozen embryos and embryo transfers involving third-party contributions, are less fully evaluated clinically and raise social, ethical, and legal questions that go beyond the original medical model for therapeutic intervention. The clinical success of in vitro fertilization and the options it affords call for careful policy consideration. Estimates of costs and of potential demand for and supply of services are provided and the current status of relevant policy in the United States and abroad is discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grobstein, C -- Flower, M -- Mendeloff, J -- New York, N.Y. -- Science. 1983 Oct 14;222(4620):127-33.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6623063" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Costs and Cost Analysis ; Embryo Transfer ; Ethical Review ; Ethics ; Fallopian Tube Diseases/therapy ; Federal Government ; Female ; Fertilization in Vitro/*methods ; Humans ; Infertility, Female/therapy ; Infertility, Male/therapy ; Legislation, Medical ; Male ; Obstetrics/economics/standards ; Oocyte Donation ; Pregnancy ; Resource Allocation ; *Risk Assessment ; during its first five years. Efficacy, safety, costs, demand and supply, and ; feasible extensions of the basic procedure are discussed. The authors contend ; that, while Australia and Great Britain have made progress toward formulating ; public policy on IVF, efforts in the United States have not gone beyond a 1979 ; report and recommendations issued by the Department of Health, Education, and ; Welfare's Ethics Advisory Board. Given the ready clinical and public acceptance ; of IVF, there is need for an oversight mechanism at the federal level, perhaps ; via a forum concerned also with the overlapping area of human genetic ; intervention.
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  • 18
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-04-22
    Description: Female mice that had been situated in utero between two female fetuses displayed higher levels of active avoidance responding in adult life than females that had been located between two male fetuses and males for whom uterine position was without effect. Uterine position, therefore, influences acquired as well as species-typical behaviors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hauser, H -- Gandelman, R -- New York, N.Y. -- Science. 1983 Apr 22;220(4595):437-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6836288" target="_blank"〉PubMed〈/a〉
    Keywords: Androgens/physiology ; Animals ; Avoidance Learning/*physiology ; Female ; Fetus/*physiology ; Male ; Mice ; Pregnancy ; Rats ; Sex Factors ; Uterus
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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frisch, R E -- New York, N.Y. -- Science. 1982 Mar 5;215(4537):1272-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7199206" target="_blank"〉PubMed〈/a〉
    Keywords: Amenorrhea/*physiopathology ; Female ; Humans ; *Lactation ; *Nutritional Physiological Phenomena ; *Postpartum Period ; Pregnancy
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  • 20
    Publication Date: 1982-03-12
    Description: The concentration of oxytocin receptors increased in the myometrium of pregnant women and reached maximum levels in early labor. Concentrations of oxytocin receptors were also high in the decidua and reached a maximum at parturition. In vitro, prostaglandin production by the decidua, but not by the myometrium, was increased by the addition of oxytocin. Oxytocin may therefore stimulate uterine contractions by acting both directly on the myometrium and indirectly on decidual prostaglandin production. Oxytocin receptors are probably crucial for the onset of human labor, and the stimulus for the increase in uterine prostaglandins may be oxytocin originating from the fetus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fuchs, A R -- Fuchs, F -- Husslein, P -- Soloff, M S -- Fernstrom, M J -- HD8406/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1982 Mar 12;215(4538):1396-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6278592" target="_blank"〉PubMed〈/a〉
    Keywords: Decidua/physiology ; Female ; Humans ; *Labor, Obstetric ; Myometrium/physiology ; Oxytocin/*physiology ; Pregnancy ; Prostaglandins E/biosynthesis ; Prostaglandins F/biosynthesis ; Receptors, Cell Surface/*physiology ; Uterus/*physiology
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-05-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kline, J -- New York, N.Y. -- Science. 1982 May 7;216(4546):564.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7071603" target="_blank"〉PubMed〈/a〉
    Keywords: Alcoholic Beverages/*adverse effects ; Female ; Humans ; Pregnancy ; Pregnancy Complications/*chemically induced
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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Logeat, F -- Sartor, P -- Hai, M T -- Milgrom, E -- New York, N.Y. -- Science. 1982 Feb 26;215(4536):1134-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063848" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Embryo Implantation ; Endometrium/*metabolism ; Female ; Pregnancy ; Rats ; Receptors, Estrogen/*metabolism
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-07-09
    Description: Prolactin administration reportedly increases blood pressure in rats and rabbits. To study the effects of prolactin deficiency on blood pressure, rats were given saline, normal rabbit serum, or rabbit antiserum to rat prolactin on postnatal days 2 to 5. Both males and females given antiserum had significantly lower blood pressure at 14 weeks than rats given saline or normal rabbit serum. Blood pressure differences between females given antiserum and females given saline disappeared during and following pregnancy. The antiserum also lowered the concentration of prolactin in plasma 49 percent in males and decreased the prolactin response to ether stress in both sexes. These results suggest that endogenous prolactin is involved in blood pressure regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mills, D E -- Buckman, M T -- Peake, G T -- New York, N.Y. -- Science. 1982 Jul 9;217(4555):162-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7089550" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; *Blood Pressure ; Female ; Immune Sera/pharmacology ; Male ; Pregnancy ; Pregnancy, Animal ; Prolactin/blood/immunology/*physiology ; Rabbits ; Rats ; Rats, Inbred Strains ; Sex Characteristics ; Sodium Chloride/pharmacology
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  • 24
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clarkson, A B Jr -- Mellow, G H -- AI 19015-02/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1983 Mar 11;219(4589):1238-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6402816" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chagas Disease/*immunology ; Female ; Humans ; Lactation ; Pregnancy ; Rheumatoid Factor/*immunology
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  • 25
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-08-12
    Description: Placental and fetal tissues from 46 human pregnancies were cultured and cytogenetically analyzed in an attempt to document the existence of chromosomal mosaicism confined strictly to tissues of extraembryonic origin. In two gestations in which chromosomal mosaicism was found, it was expressed exclusively in placental chorionic cells and was not detected in cells derived from the embryo proper. This demonstration of confined chorionic mosaicism may have implications for the understanding of the fetoplacental unit and for prenatal diagnosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kalousek, D K -- Dill, F J -- New York, N.Y. -- Science. 1983 Aug 12;221(4611):665-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6867735" target="_blank"〉PubMed〈/a〉
    Keywords: Amnion/physiology ; Chorion/physiology ; Chromosomes, Human ; Female ; Fetal Blood/physiology ; Fetal Growth Retardation/genetics ; Fetus/physiology ; Humans ; Male ; *Mosaicism ; Placenta/*physiology ; Pregnancy
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  • 26
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-01-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1983 Jan 7;219(4580):42-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6849114" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/genetics/*transmission ; Blood Transfusion/adverse effects ; Child ; Child, Preschool ; Female ; Hemophilia A/*complications ; Humans ; Infant ; Infant, Newborn ; Male ; Pregnancy
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  • 27
    Publication Date: 1983-01-07
    Description: The immediate induction of the full complement of maternal behavior in nonpregnant ewes primed with estrogen and progesterone has been obtained after 5 minutes of vaginal-cervical stimulation. A similar period of such stimulation given to recently parturient ewes, after the development of selective bonding to their own lambs, reversed their rejection behavior of alien lambs and produced a state of plasticity in maternal behavior, such that ewes receiving vaginal stimulation would accept and adopt alien lambs. These findings implicate vaginal-cervical stimulation as playing a role in the onset of maternal behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keverne, E B -- Levy, F -- Poindron, P -- Lindsay, D R -- New York, N.Y. -- Science. 1983 Jan 7;219(4580):81-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6849123" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Estradiol/pharmacology ; Female ; *Maternal Behavior ; Pregnancy ; Progesterone/pharmacology ; Sheep/*physiology ; Time Factors ; Vagina/*physiology
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  • 28
    Publication Date: 1982-04-02
    Description: One of six monoclonal antibodies raised against purified human placental alkaline phosphatase cross-reacts with the adult and fetal forms of intestinal alkaline phosphatase. The placental and intestinal enzymes are nonallelic. A new electrophoretic titration procedure was used to assess the relative reactivities of the different enzymes with the antibody. The placental enzyme was the most reactive. However, the adult intestinal enzyme showed greater reactivity than the fetal enzyme. The determinants to which the antibody binds on these three forms of alkaline phosphatase presumably differ in their detailed molecular configurations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gogolin, K J -- Wray, L K -- Slaughter, C A -- Harris, H -- GM07511/GM/NIGMS NIH HHS/ -- GM20138/GM/NIGMS NIH HHS/ -- GM27018/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 Apr 2;216(4541):59-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6175022" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaline Phosphatase/genetics/*immunology ; Alleles ; Antibodies, Monoclonal/*immunology ; Antibody Specificity ; Cross Reactions ; Epitopes ; Female ; Glycoproteins/*immunology ; Humans ; Intestines/enzymology ; Placenta/enzymology ; Pregnancy
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  • 29
    Publication Date: 1982-04-16
    Description: We studied the relationship between cerebral oxygen consumption and cerebral oxygen delivery (cerebral blood flow x arterial oxygen content) in fetal, newborn, and adult sheep, Relative to the amount of oxygen consumed, cerebral oxygen delivery in the fetus exceeds that in the lamb and adult by 70 percent. This may represent a protective advantage for the fetus or simply a necessary adaptation to the low arterial oxygen pressure in the intrauterine environment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, M D Jr -- Rosenberg, A A -- Simmons, M A -- Molteni, R A -- Koehler, R C -- Traystman, R J -- HD-13830/HD/NICHD NIH HHS/ -- HL-10342/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1982 Apr 16;216(4543):324-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6801768" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn/*physiology ; Brain/*blood supply/*embryology ; Carbon Dioxide/blood ; Female ; Oxygen/*blood ; Oxygen Consumption ; Pregnancy ; Sheep
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-07-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1982 Jul 23;217(4557):335.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7046049" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Drug-Induced/*epidemiology ; Animals ; Clinical Trials as Topic ; Dicyclomine ; Doxylamine/*adverse effects ; Drug Combinations/adverse effects ; Female ; Heart Septal Defects, Ventricular/chemically induced ; Hernia, Diaphragmatic/chemically induced ; Humans ; Macaca ; Pregnancy ; Pyridines/*adverse effects ; Pyridoxine/*adverse effects ; Rats ; United States ; United States Food and Drug Administration
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  • 31
    Publication Date: 1983-12-09
    Description: Antisera to human syncytiotrophoblast microvillous cell surface membranes from different placentas are cytotoxic for lymphocytes from some people but not others, demonstrating the presence of allotypic trophoblast-lymphocyte cross-reactive (TLX) antigens. Exploratory principal components factor analysis, performed on limited data consisting of 300 cytotoxic reactions produced by ten separate trophoblast antisera on a panel of lymphocytes from 30 random donors, suggested the presence of three distinct TLX antigen groupings. It is proposed that such TLX alloantigens are central in establishing maternal recognition and protection of the blastocyst, and that lack of recognition results in implantation failure and spontaneous abortion. These findings are compatible with contemporary results of immunotherapy to prevent recurrent spontaneous abortions, and their implications extend to other conditions of allogeneic coexistence, such as organ transplantation and the tumor-host relationship.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McIntyre, J A -- Faulk, W P -- Verhulst, S J -- Colliver, J A -- New York, N.Y. -- Science. 1983 Dec 9;222(4628):1135-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6648525" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Surface/*immunology ; Cross Reactions ; Cytotoxicity, Immunologic ; Female ; Humans ; Lymphocytes/*immunology ; Maternal-Fetal Exchange ; Pregnancy ; Trophoblasts/*immunology
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  • 32
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-07-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1983 Jul 29;221(4609):441.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6408734" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Fetus/*surgery ; Haplorhini ; Humans ; Neural Tube Defects/*surgery ; Pregnancy
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  • 33
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-07-29
    Description: Pregnant rats received 2-[14C]deoxy-D-glucose (2DG) intravenously on the last day of gestation, and their fetuses were delivered 1 hour later by cesarean section. Fetal brains showed high 2DG uptake spread throughout the accessory olfactory bulb and little or no differential uptake in the main olfactory bulb. These findings demonstrate that functional activity occurs in the accessory olfactory bulb in utero and suggest that the accessory olfactory system may be the pathway by which fetal rats detect the odor quality of their intrauterine milieu.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pedersen, P E -- Stewart, W B -- Greer, C A -- Shepherd, G M -- F32-NS06978/NS/NINDS NIH HHS/ -- NS 16993/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 29;221(4609):478-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6867725" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoradiography ; Brain/radionuclide imaging ; Deoxyglucose/metabolism ; Female ; Fetus/*physiology ; Olfactory Bulb/physiology/radionuclide imaging ; Pregnancy ; Rats ; Rats, Inbred Strains ; Smell/*physiology
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  • 34
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-03-25
    Description: Quantitative electron microscopic analysis reveals 2.85 million retinal axons in fetal rhesus monkeys--a number that is more than twice the 1.2 million present in the adult. More than 1 million supernumerary optic axons are eliminated before birth, simultaneously with the segregation of inputs from the two eyes into separate layers of the lateral geniculate nucleus. Selective elimination of optic axons may not only play a role in the segregation of binocular visual connections but, secondarily, may establish the ratio of crossed and uncrossed retinogeniculate projections.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rakic, P -- Riley, K P -- EY02593/EY/NEI NIH HHS/ -- RR00168/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1983 Mar 25;219(4591):1441-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6828871" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology/ultrastructure ; Female ; Fetus/physiology ; Macaca mulatta ; Optic Nerve/*embryology/ultrastructure ; Pregnancy ; Retina/*embryology/ultrastructure
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  • 35
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-05-27
    Description: Deoxyglucose labeled with carbon-14 was used in studying the utilization of glucose in the suprachiasmatic nuclei of fetal rats. The results showed that an entrainable circadian clock is present in the suprachiasmatic nuclei during fetal development and that the maternal circadian system coordinates the phase of the fetal clock to environmental lighting conditions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reppert, S M -- Schwartz, W J -- 1 K07 NS 00672/NS/NINDS NIH HHS/ -- HD 14427/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1983 May 27;220(4600):969-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6844923" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Circadian Rhythm ; Darkness ; Female ; Fetus/*physiology ; Gestational Age ; Glucose/metabolism ; Lighting ; *Maternal-Fetal Exchange ; Pregnancy ; Rats ; Suprachiasmatic Nucleus/metabolism
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  • 36
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1982 Oct 1;218(4567):6, 8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123219" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Female ; Humans ; Iodine Radioisotopes/*adverse effects ; Nuclear Reactors ; Potassium Iodide/*therapeutic use ; Pregnancy ; Thyroid Gland/metabolism ; United States ; United States Food and Drug Administration
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  • 37
    Publication Date: 1982-10-29
    Description: Pregnant Swiss Webster mice were fed a diet moderately deficient in zinc from day 7 of gestation until parturition. Offspring of these mice showed depressed immune function through 6 months of age. In addition, the second and third filial generations, all of which were fed only the normal control diet, continued to manifest reduced immunocompetence, although not to the same degree as in the first generation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beach, R S -- Gershwin, M E -- Hurley, L S -- New York, N.Y. -- Science. 1982 Oct 29;218(4571):469-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123244" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Formation ; Female ; Immune Tolerance ; Immunoglobulin M/analysis ; Immunologic Deficiency Syndromes/*embryology ; Mice ; Pregnancy ; Time Factors ; Zinc/*deficiency
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  • 38
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-03-26
    Description: The increasing availability and utilization of legal abortion in the United States has several important effects on public health in the 1970's. It reduced deaths and surgical complications among women of childbearing age; it made possible the development of safer surgical procedures for pregnancy termination; and it increased the provision of low-cost outpatient gynecologic services. There is some concern about potential adverse outcomes in future desired pregnancies and possibly higher risks of breast cancer in certain women.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cates, W Jr -- New York, N.Y. -- Science. 1982 Mar 26;215(4540):1586-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7071579" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Legal/adverse effects/methods/*utilization ; Breast Neoplasms/etiology ; Costs and Cost Analysis ; Ethics, Medical ; Female ; Humans ; Pregnancy ; Professional Misconduct ; Risk Assessment ; United States ; the increased availability and utilization of abortion. The legalization of ; abortion has led to a decrease in deaths and surgical complications among women ; of childbearing age, the development of safer procedures for pregnancy ; termination, and the provision of low-cost outpatient services. Adverse outcomes ; in future pregnancies and an increase in breast cancer risk are two of the ; possible negative results of the increased abortion rate. Three graphs and a ; statistical table illustrate the article.
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  • 39
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-03-19
    Description: Pregnant rats underfed in the first 2 weeks of gestation had offspring with normal body weight at birth and weaning. However, starting at about 5 weeks of age the male offspring became hyperphagic and gained more weight than the controls. The female offspring did not overeat and did not become obese. Both male and female progeny showed increased fat cell size as adults. In males the epididymal and retroperitoneal fat pads were significantly enlarged nd adipocytes in these pads were hypertrophied. In females and fat pads were not enlarged, but adipocytes in the parametrial pads were hypertrophied.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, A P -- Friedman, M I -- AM-20022/AM/NIADDK NIH HHS/ -- RR 07048/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1982 Mar 19;215(4539):1518-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063860" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/*cytology ; Animals ; Female ; Gestational Age ; Nutrition Disorders/*complications ; Obesity/*etiology ; Pregnancy ; *Pregnancy, Animal ; Rats ; Sex Factors
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  • 40
    Publication Date: 1982-01-15
    Description: Exposure of mice to the herbicide 2,4-dichlorophenyl-p-nitrophenyl ether during gestation produces abnormalities that are not readily apparent at birth but become obvious as the pups mature. By 2 weeks after birth there are severe intraorbital defects resulting from destruction of the Harderian glands behind the eyes. This effect is noticeable only postnatally because the Harderian gland does not grow or function until after birth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gray, L E Jr -- Kavlock, R J -- Chernoff, N -- Ferrell, J -- McLamb, J -- Ostby, J -- New York, N.Y. -- Science. 1982 Jan 15;215(4530):293-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7053576" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Drug-Induced/*pathology ; Animals ; Female ; Harderian Gland/abnormalities/*drug effects ; Lacrimal Apparatus/*drug effects ; Male ; Mice ; Phenyl Ethers/*toxicity ; Pregnancy ; Rats ; Thyroxine/physiology
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  • 41
    Publication Date: 1982-05-07
    Description: Exposure of rats to phenobarbital during late prenatal development decreased the concentration of testosterone in plasma and the brain during the late fetal, early postnatal, pubertal, and adult periods, By decreasing the production of testosterone in the brain during the period of sexual differentiation, phenobarbital may lead to sexual dysfunction in later life.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gupta, C -- Yaffe, S J -- Shapiro, B H -- GM-26222/GM/NIGMS NIH HHS/ -- HD -10063/HD/NICHD NIH HHS/ -- T-32GM07514/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 May 7;216(4546):640-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7200262" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/embryology ; Female ; Infertility, Male/*chemically induced ; Male ; Phenobarbital/*pharmacology ; Pregnancy ; Pregnancy, Animal/drug effects ; Rats ; Sex Differentiation/*drug effects ; Testis/metabolism ; Testosterone/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 42
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-06-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tucker, H A -- Ringer, R K -- New York, N.Y. -- Science. 1982 Jun 25;216(4553):1381-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7201162" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Husbandry/*methods ; Animals ; Animals, Domestic/*physiology ; Breeding ; Cattle ; Chickens/physiology ; Eggs ; Estrus/radiation effects ; Female ; Gonadal Steroid Hormones/*radiation effects ; *Light ; Male ; Milk ; Ovulation/radiation effects ; *Periodicity ; Pregnancy ; Reproduction/radiation effects
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 43
    Publication Date: 1983-07-22
    Description: Isolated umbilical arteries and veins, obtained from normal women at the end of pregnancy, were incubated in krebs-Ringer bicarbonate solution and exposed to magnesium at concentrations ranging from 0 to 9.6 millimoles per liter. The basal tension of the vessels increased when magnesium was withdrawn and decreased when the concentration of magnesium was raised. Absence of magnesium in the medium significantly potentiated the contractile response of the vessels to bradykinin, angiotensin II, serotonin, and prostaglandin F2 alpha. It appears that magnesium deficiency may be responsible for spasms of umbilical and placental vasculature. Our findings may provide a rationale for why magnesium sulfate is an effective therapy in preeclamptic syndromes in pregnant women.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altura, B M -- Altura, B T -- Carella, A -- HL 18015/HL/NHLBI NIH HHS/ -- HL 29600/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 22;221(4608):376-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6867714" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Fetal Growth Retardation/*etiology ; Humans ; Hypertension/*etiology ; Magnesium Deficiency/*complications ; Pre-Eclampsia/*etiology ; Pregnancy ; Pregnancy Complications, Cardiovascular/*etiology ; Spasm/etiology ; Umbilical Arteries/physiopathology ; Umbilical Cord/*blood supply/physiopathology ; Umbilical Veins/physiopathology ; Vasoconstrictor Agents/pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 44
    Publication Date: 1983-03-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enns, M P -- Wilson, M W -- Grinker, J A -- Faust, I M -- Jones, A P -- Friedman, M I -- AM20508/AM/NIADDK NIH HHS/ -- AM27980/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1983 Mar 4;219(4588):1093-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6681680" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/cytology ; Animals ; Body Weight ; Dietary Fats ; Energy Intake ; Female ; Male ; *Nutritional Physiological Phenomena ; Pregnancy ; *Pregnancy, Animal ; Rats
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  • 45
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-09-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1983 Sep 9;221(4615):1031-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6879201" target="_blank"〉PubMed〈/a〉
    Keywords: Biopsy ; Chorionic Villi/*ultrastructure ; Female ; Humans ; Placenta/*ultrastructure ; Pregnancy ; *Pregnancy Trimester, First ; *Prenatal Diagnosis
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  • 46
    Publication Date: 1983-04-29
    Description: Urine of the human fetus stimulated prostaglandin biosynthesis in vitro by increasing the conversion of arachidonic acid into prostaglandins. The stimulatory activity in urine from fetuses delivered at term after labor of spontaneous onset was greater than that in urine from fetuses delivered by cesarean section at term before the onset of labor. Such stimulation of prostaglandin biosynthesis by the fetal membranes, by way of a substance released into the urine and thence into amniotic fluid, could serve as a signal for the initiation of parturition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strickland, D M -- Saeed, S A -- Casey, M L -- Mitchell, M D -- 5-P50-HD11149/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1983 Apr 29;220(4596):521-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6573023" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Dinoprostone ; Extraembryonic Membranes/physiology ; Female ; Fetus/*physiology ; Humans ; *Labor Onset ; *Labor, Obstetric ; Male ; Pregnancy ; Prostaglandins/*biosynthesis ; Prostaglandins E/biosynthesis ; *Urine
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  • 47
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-07-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1983 Jul 29;221(4609):440-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6867721" target="_blank"〉PubMed〈/a〉
    Keywords: Federal Government ; Female ; *Government Regulation ; Humans ; Neural Tube Defects/*diagnosis ; Pregnancy ; Pregnant Women ; *Prenatal Diagnosis/instrumentation ; Risk Assessment ; United States ; United States Food and Drug Administration ; Administration on 17 June to approve the wider use of diagnostic kits for the ; detection of fetal neural tube defects. The American College of Obstetricians and ; Gynecologists and the American Academy of Pediatrics are among the critics who ; favor tighter restrictions on use of the kits, which measure levels of ; alpha-fetoprotein in serum samples taken from expectant mothers, on the grounds ; that false positive results are common, necessitating careful quality control ; monitoring of physicians, manufacturers, and laboratories performing the test.
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  • 48
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-09-30
    Description: Treatment with combinations of synthetic prostaglandins, one with an ovarian site of action and one with a uterine site of action, terminated pregnancy in all rhesus monkeys given the injection on day 28 of fertile menstrual cycles. Single prostaglandins, even at higher doses, interrupted pregnancy in only one-third of the monkeys. The most effective treatment, 5-oxa-17-phenyl-18,19,20-trinor prostaglandin F1 alpha methyl ester plus 9-deoxo-16,16-dimethyl-9-methylene prostaglandin E2, promptly intercepted early pregnancy after a single administration and without side effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilks, J W -- New York, N.Y. -- Science. 1983 Sep 30;221(4618):1407-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6612350" target="_blank"〉PubMed〈/a〉
    Keywords: *Abortifacient Agents ; *Abortifacient Agents, Nonsteroidal ; *Abortion, Induced ; Animals ; Chorionic Gonadotropin/pharmacology ; Corpus Luteum/drug effects ; Drug Therapy, Combination ; Female ; Pregnancy ; Progesterone/blood ; Prostaglandins E, Synthetic/*administration & dosage/pharmacology ; Prostaglandins F, Synthetic/*administration & dosage/pharmacology
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  • 49
    Publication Date: 1983-07-08
    Description: Inbred BALB/c females were mated and subsequently exposed in a divided cage to "stimulus" males or females whose H-2 type was similar or dissimilar to the stud male's. The incidence of pregnancy blocking was considerably higher when stud and stimulus males differed in H-2 type than when they did not. Similar results were obtained with urine samples of H-2 identical and nonidentical males. Females exposed after mating to other females whose H-2 type differed from the stud male, under the same experimental conditions, also showed an appreciable incidence of pregnancy block. It is therefore concluded that chemosensory recognition of H-2 types affects the reproductive hormonal status of the pregnant female.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamazaki, K -- Beauchamp, G K -- Wysocki, C J -- Bard, J -- Thomas, L -- Boyse, E A -- CA-29979/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 8;221(4606):186-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6857281" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Embryonic Development ; Estrus ; Female ; H-2 Antigens/*immunology ; Homozygote ; Male ; Mice ; Mice, Inbred BALB C ; Pregnancy ; *Pregnancy, Animal
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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