PCOS is usually associated with anovulation
ie absence of ovulation.
, increased carbohydrate
and fat intake may be precipiating factor for PCOS, weight reduction is recommended.
Metformin ins treatment of choice for PCOS.
You should do a ovulation test and if found you are not ovulating then your Gync may prescribe Clomifene citrate for induction of ovulation.
Irregualr periods may be corrected by having hormonal pills like norethisterone
etc which can be prescribed by your Gync after examining you.