Maybe be pcod...Obesity makes insulin resistance worse. Weight loss can reduce both insulin and androgen levels and may restore ovulation...Low-fat, high-carbohydrate diets may increase insulin levels,High-fiber carbohydrates include whole-grain breads and cereals, whole-wheat pasta, bulgur wheat, barley, brown rice, and beans..be active and Consult nearest gynecologists for further evaluation they will do the needful.