What Are Gonadotropins
Gonadotropins are fertility medications that contain follicle-stimulating hormone (FSH), luteinizing hormone (LH), or both. These hormones are normally present in the brain in both men and women. Gonadotropins can stimulate the ovaries to mature multiple eggs at one time. Gonadotropins were originally developed by extracting hormones from the urine of postmenopausal women. Brand names for these preparations include Bravelle and Menopur. Newer, recombinant DNA gonadotropins, such as Follistim and Gonal-F, are actually completely developed in the laboratory and are not derived from urine....