Menopause is the permanent cessation of menstruation resulting from the loss of ovarian follicular activity. Bleeding that occurs 12 months after the last menstrual period is labeled as postmenopausal bleeding. The aim of the present study was to study endometrial thickness by transvaginal sonography, and correlate it with the cytological pattern evaluated by endometrial aspiration and histopathol...... hiện toàn bộ