PCOS (Polycystic Ovarii Syndrom) is the most common metabolic disorder of reproductive-age women in the U.S. It is 
affecting about 5% of woman. It has similar names such polycystic ovary disease (PCOD), Stein-Leventhal Syndrome, ovarian hyperthecosis, and sclerocystic ovary syndrome.
PCOS is a disorder characterized by chronic hyperandrogenism (elevation of serum testosterone or other androgens) and chronic anovulation (absence of ovulation) in the absence of other specific causes of these problems. Then the definition is expanded to include woman who has two of chronic anovulation, chronic hyperandrogenism, and polycystic appearing ovarii symptoms on ultrasound’s result, according to an international consensus in 2003.
PCOS may appear in the one or two or more of the following symptomps: High Blood Pressure, Weight Gain, Elevated Insulin Level, Excess Bodi Hair (hirsutism), Infertility, Acne, Scalp Hair Loss and etc. The diagnosis is based upon the combination of clinical, ultrasound, and laboratory features.
In the PCOS and All of The Aspects and Complications article below, we can find detailed information such as how lack of ovulation can lead to endometrial cancer, PCOS in conjunction with metabolic syndrom and obesity, treatment (concerned with fertility, menstrual cycle regulation, acne or hirsutism). You can follow the information by download this fact aspect sheet (source: asrm.org) or you can download about the complications of PCOS (source: aace.com) such insulin resistance syndroms (IRS), liver disorders, Heart Disease, association of IRS with breast cancer.
