Hello, you need to take medicines regularly for pcos prescbed by doctor , have more of fruits and vegetables, drink lot of water , avoid junk ,oily food items ,have food like chapatis, avoid curd ,ghee, ice creams , Exercise daily in morning , sleep well ,avoid worries. For ladies aerobic exercises and yoga works better , in medical terms BMI more than 30 is called obesity , Skipping ,swimming ,cycling burns stored fat .