Background: Abnormal uterine bleeding is a major gynaecological problem accounting for 33% of Gynaec outpatients. The aim of this study was to evaluate the various histopathological patterns in the endometrial biopsy of patients presenting with abnormal uterinebleeding and to determine the specific pathology in the different age groups. Methods: This was a prospective study done on120 patients with abnormal uterine bleeding were included in the study. Histopathological examination of the endometrial biopsy was done and the various histopathological patterns identified and classified. Results: The age of patients ranged from 40–45 years.The most frequent findings were proliferative endometrium in 38.3 % and also disordered proliferative (15%), secretory endometrium(20.8%), and endometrial hyperplasia (13.3%) are different lesion.Conclusions: Endometrial curettings and biopsy is an important diagnostic procedure for assessing all cases of abnormal uterine bleeding and to plan for successful management.