Cetrorelix blocks the effects of the naturally occurring gonadotropin-releasing hormone (GnRH). GnRH controls the release of another hormone, luteinizing hor...learn more »

Follicle stimulating hormone is a man-made form of a hormone that occurs naturally in the body. This hormone regulates ovulation, the growth and development ...learn more »

Human chorionic gonadotropin (HCG) is a hormone that supports the normal development of an egg in a woman's ovary, and stimulates the release of the egg duri...learn more »

Clomiphene stimulates the release of hormones necessary for ovulation to occur...learn more »