Controlled Ovarian Stimulation (COS) in combination with a GnRH antagonist for the development of multiple follicles in women participating in an Assisted Reproductive Technology (ART) program. Elonva is indicated for the treatment of adolescent males (14 to less than 18 years and older) with hypogonadotropic hypogonadism, in combination with human Chorionic Gonadotropin (hCG).