This document summarizes a study on the clinical characteristics of polycystic ovary syndrome (PCOS). The study involved 120 newly diagnosed PCOS patients between the ages of 18-35. Key findings included: most patients presented with obesity, oligomenorrhea, hirsutism, and polycystic ovaries on ultrasound. Serum tests found elevated levels of dehydroepiandrosterone in many patients, while testosterone levels were normal or low. The conclusion was that PCOS results from hormonal imbalances affecting the ovaries and manifesting as anovulation, and that obesity further increases the risks for PCOS patients.