A gonadotropin is one of a accumulation of protein hormones advised basic to animal reproduction. Gonadotropins are produced by beef alleged gonadotropes amid in the pituitary gland. The two arch types of gonadotropin are follicle-stimulating hormone (FSH) and luteinizing hormone (LH). Animal chorionic gonadotropin (hCG) is a third blazon that is produced during pregnancy. As these hormones are an important allotment of the changeable process, gonadotropins are generally acclimated as a analysis for infertility in both men and women.
Both FSH and LH assembly are controlled by addition hormone alleged gonadotropin-releasing hormone (GnRH). The activity of GnRH is triggered during puberty. GnRH is buried by the hypothalamus and appear into the pituitary in pulses. The beard of LH and FSH is controlled by how ample these pulses of GnRH are, and how frequently they occur. Men tend to acquaintance pulses of GnRH at a adequately connected rate, while women usually acquaintance the absolution of the hormone at capricious rates, with a aiguille that occurs just afore ovulation.
In women, this follicle-stimulating hormone causes the ovarian follicles to abound and mature. Specifically, FSH acts on beef alleged granulosa beef that beleaguer the adolescent egg, or oocyte, central the ovarian follicle, causing them to abound and access in number. FSH aswell stimulates the advance of antibody beef in men, causing adolescent agent beef alleged spermatogonia to decline into complete agent beef alleged spermatozoa.