BRD2 and hypogonadotropic hypogonadism: As a confirmation of this, the use of FSH 150 IU in combination with human Chorionic Gonadotropin (hCG) 3 times a week for up to 18 months, is effective at initiating spermatogenesis in the vast majority of cases of azoospermia due to Hypogonadotropic Hypogonadism (HH) (9).