Introduction to Polycystic Ovarian Syndrome (PCOS) Polycystic Ovary Syndrome (PCOS) is a condition that affects the female reproductive system. It is the most common hormonal disorder of women of reproductive age. It can cause many different symptoms, such as hair growth or excess hair on the face, acne, weight gain or weight gain without trying, and male-like body hair. It is also the leading cause of female infertility.Signs and symptoms of polycystic ovarian syndrome, or PCOS, include excess hair growth on the face, body, and limbs; acne; and weight gain or weight gain without trying. The most common sign of PCOS is female-like hair growth, especially on the face, chest, back, and arms. Other common signs and symptoms of PCOS include: difficulty getting pregnant; irregular or no menstrual periods; and high levels of male-like hair on the face, chest, back, and arms. Some women with PCOS have no signs or…