Abstract
MOUDGAL and co-workers1–3 recently reported that the administration to intact pregnant rats of rabbit antiserum ovine interstitial cell stimulating hormone (ICSH) on any one day between the eighth and twelfth days of pregnancy resulted in resorption of foetuses and termination of pregnancy. This effect was readily reversed by the simultaneous administration of progesterone but not by oestradiol-17β. These observations suggested that ICSH was involved in progesterone synthesis and as such is a luteotropic factor in the rat.
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References
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MOUDGAL, N. Effect of ICSH on Early Pregnancy in Hypophysectomized Pregnant Rats. Nature 222, 286–287 (1969). https://doi.org/10.1038/222286a0
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DOI: https://doi.org/10.1038/222286a0
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