Exclusion Criteria Age < 20 or > 40. Major pelvic pathology. Ovarian masses. Infertility due to causes other than ovarian factors e.g. Bilateral tubal block Congenital anomaly of the uterus Male factor of infertility Liver disease Other endocrinopathies e.g. hyperprolactinemia, Lipoid Congenital Adrenal Hyperplasia (LCAH), hypothyroidism, hyperthyroidism and Cushing's disease.