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The 30 pages that link to Hypothalamic–pituitary–gonadal axis, each with the reason it gives.

• Menstrual cycleNarrower topic: Its feedback signals coordinate gonadotropin release with ovarian hormone production.

• EstrogenNarrower topic: It controls ovarian estrogen production through feedback signals.

• TestosteroneRelated: It controls testicular testosterone production through feedback among the brain, pituitary, and gonads.

• Hypothalamic–pituitary–adrenal axisCompared with: It shares the axis’s three-level organization but controls reproductive hormones rather than cortisol.

• PubertyNarrower topic: Its reactivation initiates the hormonal cascade that drives puberty.

• OvulationNarrower topic: Its feedback signals coordinate ovarian follicle development and egg release.

• ProgesteroneNarrower topic: Its feedback signals coordinate ovarian progesterone production with the reproductive cycle.

• Luteinizing hormoneNarrower topic: LH is one of the pituitary signals within this reproductive control system.

• HypogonadismNarrower topic: Disruption anywhere along this pathway can reduce gonadal hormone production.

• Anabolic steroidRelated: Exogenous androgens suppress this system, reducing natural sex-hormone production.

• Gonadotropin-releasing hormoneNarrower topic: GnRH is the axis's initiating signal from the hypothalamus to the pituitary.

• Male infertilityNarrower topic: Its signals regulate testicular testosterone production and sperm development.

• TestisNarrower topic: Its hormonal feedback controls testicular testosterone production and sperm formation.

• Hormonal contraceptionNarrower topic: Contraceptive hormones prevent ovulation partly by altering this signaling system.

• Hypothalamic-pituitary axisBroader topic: It coordinates reproductive hormones through pulsatile hypothalamic signaling.

• Testosterone replacement therapyRelated: Disruption at different points in this axis helps distinguish causes of low testosterone.

• Delayed pubertyNarrower topic: Delayed activation or signaling along this pathway can postpone pubertal changes.

• Luteal phaseNarrower topic: Its signals coordinate ovarian activity across the cycle.

• Male reproductive systemNarrower topic: Its signals regulate testicular hormone production and sperm formation.

• Oral contraceptive pillRelated: Pill hormones alter this feedback system to inhibit the signals that trigger ovulation.

• Precocious pubertyNarrower topic: Premature activation of this system drives central precocious puberty.

• 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.

• ClomifeneNarrower topic: Clomifene acts by altering estrogen feedback within this reproductive control system.

• NandroloneRelated: Exogenous nandrolone can suppress this axis and reduce endogenous sex-hormone production.

• Lina MedinaBroader topic: Premature activation of this system can initiate puberty in childhood.

• Reproductive and Urinary Physiological PhenomenaRelated: Its feedback signals regulate gonadal function and reproductive hormone production.

• TesticleNarrower topic: Its signals regulate testicular testosterone production and sperm development.