I have PCOD with irregular periods,weight gain and hairloss.My doctor suggest me to take YAS from next second day of periods and also to take metformin 1000mg.now I am on diet control and exercise. I asked to give me a reply that shall I take these tablets or not.if i take this when i can stop this and any sideeffect will occur after stopping this tablet?can I take these tablets together?your early response is highly appeciable