Table 2.
Hormones | Fetal Life | Minipuberty | Puberty |
---|---|---|---|
GnRH | serum LH and FSH levels in the second trimester are independent of GnRH, and then GnRH gradually controls the release of LH and FSH [155] | stimulates Sertoli cells to secrete inhibin B and AMH, and Leydig cells to produce INSL3 | increases gradually, triggering the secretion of LH and FSH |
LH | replaces HCG to promote the secretion of testosterone by Leydig cells [21] | stimulates Leydig cells to release testosterone | stimulated the differentiation of Leydig cells and their ability to produce testosterone |
FSH | stimulates Sertoli cell proliferation and increases AMH and inhibin B | stimulates Sertoli cell proliferation and increases AMH and inhibin B | stimulates the proliferation of immature Sertoli cells and spermatogonia |
T | induces the differentiation and development of the mesonephric duct into seminal vesicles, epididymis, and spermaduct [156] | promotes the conversion of germ cells into spermatogonia | initiation of spermatogenesis |
AMH | causes fallopian tube regression in men, preventing the formation of the uterus and fallopian tubes [157] | as a diagnostic indicator of male fertility-related disorders [158] | as a diagnostic indicator of male fertility-related disorders [158] |
Inhibin B | regulates FSH secretion and acts as a marker for Sertoli cell function | regulates FSH secretion and acts as a marker for Sertoli cell function | inhibit FSH secretion and markers of sperm production in men |
INSL3 | the regulation of intra-abdominal testicular descent by regulating the growth and differentiation of the gubernaculum [129] | as an accurate measure of Leydig cell functional capacity [125] | as an accurate measure of Leydig cell functional capacity [125] |