IMR Press / CEOG / Volume 5 / Issue 3-4 / pii/1634267647753-1951879676

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 46 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Open Access Original Research
Circadian variations in serum concentrations of human chorionic gonado­tropin, human chorionic somatomammotropin, oestradiol and progeste­rone during pregnancy
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1 Institute of Obstetrics and Gynecology, Universily of Chieti
Clin. Exp. Obstet. Gynecol. 1978, 5(3-4), 87–92;
Published: 10 September 1978

Serum concentrations of oestradiol, proge-sterone, human chorionic somatomammotropin and human chorionic gonadotropin were measured three times daily (morning, afternoon and night) during early, middle and late pregnancy, in order to investigate the existence of a circadian secretion rhythm. Twenty four women participated in the study. The results indicate the existence of a circadian secretion rhythm for oestradiol and human chorionic somatomammotropin during the second half of gestation.
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