PCOS Is More Than a Reproductive Condition Polycystic Ovary Syndrome, commonly known as PCOS, is often discussed only in the context of fertility. Many people are first introduced to PCOS when periods are irregular or pregnancy is difficult. While fertility can be impacted, PCOS is not just a reproductive disorder. PCOS is a complex endocrine, metabolic, and mental health condition that affects the entire body and nervous system. Hormones, blood sugar regulation, energy level