What are different ways to treat pcos?

Nutritional Rx. Pcos is caused by high estrogen (e2)combined with high Insulin which then transforms e2 into testosterone. Excess carbs can elevate both Insulin (via stimulation of pancreas) and e2 (via competitive inhibition of glucoronidase enzyme) a low carb diet reduces both Insulin & e2 thus positively impacting this metabolic disease. Avoid fried foods, veg oils, soy.
Yes. Diet, exercise, weight loss when needed and meds like metformin and actos (pioglitazone).