Hello, one can diagnose only if investigation reports coincides with complaints , Hirsutism , weight gain,oligomenorrhea are characteristic triad of polycystic ovarian disease , ultrasound report usually shows enlarged ovary with peripheral follicles more than 20 measuring more than 3 mm .This report is not confirmatory unless you have symptoms of pcos .If its pcos have low carbohydrates, high fiber containing foods , doc don't know about type of yoga and all .