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Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 47 Issue 1 (2020). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.
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
Abstract
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.