Suggest Treatment For Heavy And Prolonged Period While Having PCOD

sir,i have polycysts in my uterus.now iam having irregular periods, my doctor prescribed me duomet 50 and dronis 20 for 3 months. at present iam having little bleeding from the past 10 days.actually this is my period time. the bleeding's not stoping and it's not complete. so yesterday i started taking dronis 20. i have tested negative for pregnancy. can u suggest some solution