Introduction Polycystic Ovary Syndrome (PCOS) affects millions of people with ovaries around the world and remains one of the most common hormone-related disorders. If you’re asking, “What is PCOS?” , you’re not alone. Understanding PCOS and how it impacts your hormones, metabolism, menstrual cycle and overall health is the first step toward mastering your symptoms. In this article we’ll explain what PCOS is, its symptoms, causes, health risks, how it’s diagnosed and the life