Ovigil 1000 IU is a highly purified Human Chorionic Gonadotropin (HCG) hormone injection. It is prescribed for fertility treatments, assisted reproductive techniques like IVF, hypogonadism (low testosterone/sperm count), and prepubertal cryptorchidism (undescended testes) in young boys.: Intramuscular (IM) / Subcutaneous (SC)