KnowraHypothalamic–pituitary–gonadal axisLinked fromLinked fromThe 30 pages that link to Hypothalamic–pituitary–gonadal axis, each with the reason it gives.All 30Broader topic 2Related 10Narrower topic 17Compared with 1TestosteroneRelated: It controls testicular testosterone production through feedback among the brain, pituitary, and gonads.Anabolic steroidRelated: Exogenous androgens suppress this system, reducing natural sex-hormone production.Testosterone replacement therapyRelated: Disruption at different points in this axis helps distinguish causes of low testosterone.Oral contraceptive pillRelated: Pill hormones alter this feedback system to inhibit the signals that trigger ovulation.EthinylestradiolRelated: Ethinylestradiol suppresses this axis, helping prevent the hormonal surge that triggers ovulation.Adolescent sexualityRelated: Its activation initiates many hormonal changes associated with puberty.ProgestogenRelated: Progestogens can alter reproductive hormone release through feedback on this axis.AndrologyRelated: Its signals regulate testosterone production and sperm development.NandroloneRelated: Exogenous nandrolone can suppress this axis and reduce endogenous sex-hormone production.Reproductive and Urinary Physiological PhenomenaRelated: Its feedback signals regulate gonadal function and reproductive hormone production.