Titlebook: Contraception Research for Today and the Nineties; Progress in Birth Co G. P. Talwar Book 1988 Springer-Verlag New York Inc. 1988 Antigen.c

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Neuroendocrine Regulation of Fertility found in vitro to stimulate LH and FSH secret ion and to be a potent inhibitor of prolactin secretion by pituitary lactotrophs. These findings provide an explanation for the observation that circulating levels of gonadotropins and prolactin are often inversely related.

accordance

Inhibin: Chemistry, Measurement, Physiology, and Its Potential as a Fertility-Regulating Agent (44,77). It is tempting to speculate, therefore, that the native inhibin and the β-dimer may account for the differential control of FSH and LH, which could not be explained by the prevailing concept of the regulation of gonadotropins by a single decapeptide-gonadotropin-releasing hormone (GH) (Fig

HUMID

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Immunogenetic Control of Pregnancy and Development has been met, a variety of immunological factors may modulate the implantation process under certain conditions. Genetic compatibility requires that the mating partners contribute no recessive lethal genes that could act alone or epistatically in the developing fetus. The immunological response in

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Book 1988nal Development Research Center of Canada (IDRC), National Institutes of Health (NIH), and the Indian Council of Medical Research (ICMR)- were represented by the heads of divi- sions who projected respective programs and strategies. Principal scientists responsible for many of the new leads particip

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0941-875X re represented by the heads of divi- sions who projected respective programs and strategies. Principal scientists responsible for many of the new leads particip978-1-4612-8331-7978-1-4612-3746-4Series ISSN 0941-875X

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https://doi.org/10.1007/978-3-531-91787-0re regulated by both hypothalamic and extrahypothalamic regions of the brain. Neurotransmitters are involved primarily in transferring information from extrahypothalamic sites to hypothalamic peptidergic neurons, which are the major controlling links between the brain and the endocrine system.

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mechanism

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0941-875X ld population will increase from 4 billion 10 a liUle over 6 billion. There will be half as many morc people on earth during these 20 years than the number accumulated since the origin of man to 1980. Overpopulation is particularly acute in economically developing countries, where contraception has