Around 20 per cent of women in India have Polycystic Ovary Syndrome (PCOS), while global prevalence of PCOS is estimated to be between 4 per cent and 20 per cent. Women with PCOS have a hormonal imbalance and metabolism problems that may affect their overall health. But are Polycystic Ovarian Disease (PCOD) and PCOS the same? Many people get confused between the two, often using the two terms interchangeably. While both the conditions cause hormonal disturbances, there are many significant differences. FYI will decode the differences for you.