Polycystic Ovary Syndrome affects between 10 and 20 percent of reproductive-aged women, and it's the most common endocrine disorder in that group. But, according to Dr. Laura Cooney, it can be hard to identify and diagnose. Dr. Cooney is a reproductive endocrinology and infertility specialist in the UW Department of Ob-Gyn. She discussed the criteria for diagnosing PCOS, how it can affect fertility, and why she’s so passionate about helping PCOS patients.