Endocrinologia Japonica
Online ISSN : 2185-6370
Print ISSN : 0013-7219
ISSN-L : 0013-7219
Serum Testosterone Levels during the Menstrual Cycle and Early Pregnancy in the Bonnet Monkey (Macaca Radiata)
A. JAGANNADHA RAOS. G. KOTAGI
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1982 Volume 29 Issue 3 Pages 271-275

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Abstract

Serum testosterone concentrations have been determined during the menstrual cycle and early pregnancy in the bonnet monkey, Macace rediata. During the cycle, there is an increase around the time of ovulation and a secondary peak in the late luteal phase. In pregnancy, there is a distinct peak around 23-25 days, a period which corresponds to the peak of chorionic gonadotrophin reported by Atkinson et al.(1975) in Rhesus monkeys. Administration of exogenous hCG causes a significant rise in the serum testosterone level in cycling monkeys.

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© The Japan Endocrine Society
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