Polycystic ovary syndrome (PCOS) is a common condition that affect almost 15 to 20 per cent of women of reproductive age. The main reason behind this condition is hormonal imbalance, which leads to the growth of fluid-filled sacs on the ovaries. If you have this condition, you may experience irregular or absent periods, hair loss or excess hair growth, acne, weight gain, depression and fertility problems. It can also increase your risk of many chronic health conditions like type 2 diabetes, heart disease and obesity. There is no cure for this disease as yet. Most doctors recommend dietary and lifestyle modifications to deal with symptoms or prevent this condition. You can also try to avoid this disease by making a few lifestyle changes. A few small changes can go a long way in keeping you safe from this disease.