Polycystic ovarian diseases affect approximately 5-7% of women especially in the young reproductive period (second and third decade of life). The studies of family members with PCOS indicate that an autosomal dominant mode of inheritance with premature male pattern baldness as the male phenotype may exist. Major features of PCOD include menstrual dysfunction, anovulation, and signs of hyperandrogenism. Although the exact etiology is not clear, PCOD is an abnormality of the hypothalamic-pituitary-ovarian system. A characteristic of the syndrome is inappropriate gonadotropin secretion, which is more likely a result of, rather than a cause of, ovarian dysfunction. Clinically all types of menstrual irregularity, Obesity, Skin manifestations, Unusual hair growth & Infertility and PCOD affects premenopausal women, and the age of onset most often is perimenarchal.