Reproductive trigger

The pulse generator of reproduction. Its own neurons lack estrogen receptors, so all steroid feedback must route through kisspeptin — the reason that upstream node is drawn.

Reproductive trigger hormone increases it.

PMC4508256 — Kisspeptin neurons drive GnRH release - GnRH neurons themselves lack steroid receptors, which is why the feedback runs through kisspeptin. PMC4508256

Prolactin reduces it.

Reduced kisspeptin drive lowers pulsatile GnRH release from the hypothalamus. doi 10.1210/clinem/dgac208 · PMID 3917455 · PMC5686678

It increases Reproductive axis.

NBK558992 — GnRH is the hypothalamic input to the pituitary-gonadal axis.

It increases Men's hormone balance.

The finding that unifies all three nodes is that the same androgen does opposite things in different tissues: testosterone acts directly, and indirectly through intracellular conversion to dihydrotestosterone by 5-alpha reductase, as in prostate cells, and separately through estrogen effect when converted to estradiol by aromatase. Raise testosterone and you also raise DHT and estradiol - which is why the same intervention supports male hormonal health and can enlarge the prostate. And the clinical data shows both arms at once: in 183 men over 50 with BPH, testosterone was significantly lower in patients with severe LUTS (285.94 ng/dL) than mild (544.09 ng/dL) - so low testosterone tracks with worse urinary symptoms, while DHT drives the gland. That is not a contradiction to resolve, it is two different molecules. Bidirectionality is explicit: the relationship between hypogonadism and metabolic disorders is bidirectional, and a vicious circle between the two components has been documented. PMC6669361

It increases Male fertility.

The finding that unifies all three nodes is that the same androgen does opposite things in different tissues: testosterone acts directly, and indirectly through intracellular conversion to dihydrotestosterone by 5-alpha reductase, as in prostate cells, and separately through estrogen effect when converted to estradiol by aromatase. Raise testosterone and you also raise DHT and estradiol - which is why the same intervention supports male hormonal health and can enlarge the prostate. And the clinical data shows both arms at once: in 183 men over 50 with BPH, testosterone was significantly lower in patients with severe LUTS (285.94 ng/dL) than mild (544.09 ng/dL) - so low testosterone tracks with worse urinary symptoms, while DHT drives the gland. That is not a contradiction to resolve, it is two different molecules. Bidirectionality is explicit: the relationship between hypogonadism and metabolic disorders is bidirectional, and a vicious circle between the two components has been documented. PMC6669361

It increases Follicle-stimulating hormone.

GnRH acts on the pituitary to secrete luteinizing hormone. PMC9113536

It increases Female fertility.

The central finding is that reactive oxygen species ARE required, not merely harmful: ROS in the ovary regulate ovarian steroid hormone production, follicle synthesis, maturation, ovulation, and tubal function. ROS and antioxidant levels regulate the microenvironment of the follicular fluid, which determines which follicle becomes dominant. ROS can trigger ovulation in mature GRAAF follicles, and any change in this ROS level can disrupt ovulation. So an antioxidant claim here cuts both ways - the requirement is redox homeostasis, not suppression. Excess oxidative stress damages the oocyte through mitochondrial dysfunction, follicular atresia, meiotic errors, DNA damage and telomere shortening; too little disrupts the ovulatory trigger itself. Scale: infertility affects approximately 10-15 percent of couples, with nearly half the cases attributed to female reproductive dysfunction. doi 10.3390/antiox12081490 · PMID 40712896 · PMC10666387

Female Fertility (Oocyte Competence) →