Vaginal bleeding may come from the vagina itself or from the uterus. The main causes of vaginal bleeding in the elderly are as follows: 1. Vaginitis is the main cause of vaginal bleeding in the elderly. Endometrial cancer is a common gynecologic malignancy and should be treated promptly once diagnosed. 3. Cervical cancer is also a common cause of vaginal bleeding in elderly women. 4. Ovarian cancer can cause vaginal bleeding in elderly women. The symptoms of vaginal bleeding caused by these gynecological malignant neoplastic diseases will be accompanied by abdominal pain, body wasting and anemia.