What Is The Treatment For Heavy Bleeding During Menstrual Cycle?

My name is pushpa 34 years old i had 40 mm endometrium due to which D & C has been performed on 19 jan 2011 then ihad my 1st period there was no such bleeding in that period now 2nd period took on 13th march 5 to 6 days heavy bleeding was there then i started taking Deviry 10 mg 3 tabs per day even today that is 1 pad per day iam using so suggest me what is the next step to be taken