Abnormal Uterine Bleeding Lecture From: Dr. Shilpi, Rajshahi Medical College, Bangladesh Normal uterine bleeding is defined as cyclic menstruation every 21-35 days that lasts fewer than 8days with 20-80ml of blood loss. For practical purposes, any patient who complains of a change in her previously established menstrual pattern may be considered to have abnormal uterine … [Read more...] about Abnormal Uterine Bleeding