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Effect of oestradiol on gonadotrophin release induced by LHRH in men
Clinical Endocrinology
|July 1, 1976
Abstract:
In order to study the role of the oestradiol on the feed-back mechanism, fourteen men were subjected to LHRH test before and after treatment with oestradiol. The oestrogen was administered i.m., 3 mug/kg/24 h and 150 mug/kg/24 h, in two groups of patients. Doses of 3 and 150 mug respectively produced a reduction of LH release of 74% and 60% below control. FSH response to LHRH was almost abolished by oestrogens. Our findings show that oestrogens in men decrease the pituitary response to LHRH.