are you? What other symptoms are present? Heavy
or prolonged periods, also called menorrhagia, may be attributed to hormonal imbalance, fibroids or noncancerous tumors of the uterus, possible miscarriage or pregnancy, medication side effect, gynecological issues and medical conditions such as liver, kidney, or thyroid disease as well as bleeding or platelet disorders. If it persists, it is best that you have this checked by your gynecologist for proper evaluation.