Figure 5. . Sex steroid control of gonadotropin secretion after recent advances: estrogens, but not androgens, are the main regulator of gonadotropins and the action of circulating estradiol prevails with respect to that of locally produced estradiol.

Figure 5.

Sex steroid control of gonadotropin secretion after recent advances: estrogens, but not androgens, are the main regulator of gonadotropins and the action of circulating estradiol prevails with respect to that of locally produced estradiol. [T: testosterone; DHT: dihydrotestosterone; E2: estradiol; GnRH: gonadotropin releasing hormone; LH: luteinizing hormone; FSH: follicle-stimulating hormone].

From: Estrogens, Male Reproduction and Beyond

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