The effect of danazol on gonadotropin secretion during the follicular phase of the menstrual cycle

P Braun, L. Wildt, G. Leyendecker
Fertility and sterility · 1983 · vol. 40(1) , pp. 37–44 · doi:10.1016/s0015-0282(16)47174-8 · PMID:6345207 · W2414107556
Non-randomised trial OA: closed CC0 ⤵ 14 in-corpus citations
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This study investigated how danazol impacts the secretion of gonadotropins (FSH and LH) during the follicular phase of the menstrual cycle.

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Abstract

The effects of danazol on pulsatile luteinizing hormone (LH) release, basal LH and follicle-stimulating hormone serum levels, gonadotropin release induced by estradiol (E2) and gonadotropin-releasing hormone were examined in five eugonadal women. Danazol administration resulted in a significant suppression of follicle-stimulating hormone serum levels. LH concentrations and LH pulse frequency appeared to be reduced, but these changes did not reach statistical significance. The pituitary response to exogenous gonadotropin-releasing hormone was not altered. The stimulatory effect of E2 on LH secretion was completely abolished in one subject, severely diminished in three subjects, and unchanged in one subject. In addition, the time course of this response was altered. Serum prolactin concentrations were lowered, whereas basal E2 and progesterone levels did not seem to be affected.

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MeSH descriptors

Danazol Follicular Phase Gonadotropins Menstruation Pregnadienes Adult Body Temperature Body Temperature Danazol Estradiol Estradiol Female Follicular Phase Gonadotropins Humans Luteinizing Hormone Luteinizing Hormone Menstruation Ovulation Ovulation

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