The hypothalamus plays a central role in reproductive regulation through pulsatile secretion of gonadotropin-releasing hormone (GnRH). Disorders affecting hypothalamic function—such as tumors, systemic illness, excessive exercise, or severe stress—can suppress GnRH production.
Reduced GnRH leads to decreased secretion of luteinizing hormone and follicle-stimulating hormone, ultimately impairing testosterone production and spermatogenesis. This condition, known as hypogonadotropic hypogonadism, may present with infertility, low libido, and delayed puberty.
Treatment often involves pulsatile GnRH therapy or gonadotropin administration to restore hormonal balance erotic and reproductive function.
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