Also known as gonadotrophins.

Released by the anterior pituitary gland in response to GnRH (gonadotropin releasing hormone) from the hypothalamus.

Luteinizing Hormone (LH) stimulates the testes to produce testosterone in men. In women it stimulates ovulation, and promotes the formation of a corpus luteum.

Follicle Stimulating Hormone (FSH) regulates spermatogenesis in the testes to produce sperm. In women it controls the growth of new follicles from which an ovum can be released.