Normal menstrual flow lasts about 5 days and produces a total blood loss of 60 to 250 ml and occurs every 28 days. There are several causes of abnormal vaginal bleeding and a careful exam by a healthcare provider is frequently the best way to sort out the source of the bleeding.
Review Date: 5/23/2006
Reviewed By: Audra Robertson, MD, Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.