Background: Abnormal uterine bleeding (AUB) is defined as any alteration in the pattern or volume of menstrual blood flow. It is the common presenting complaint in gynecology out patient department (OPD) in all age groups. It is due to the anovulatory cycles which are commonly seen in extremes of age repro ductive age groups in adolescent and perimenopausal women. Abnormal uterine bleeding is caused by wide variety of organic or nonor ganic causes. Histopathological evaluation of the endo metrial samples plays a significant role in the diagnosis of abnormal uterine bleeding.