Caffeine linked to leaky bladder in men. The amount of caffeine that's typically found in two cups of coffee may contribute to a man's incontinence, according to a new study.
Heavy menstruation, also known as menorrhagia, is usually the result of a hormonal imbalance. Another common cause of abnormal uterine bleeding is fibroid tumors. Other causes of excessive bleeding that your healthcare provider should consider include: cervical or endometrial polyps.
1 A woman may have a harmless (not cancerous) sore (polyp or lesion) on her genitals that can cause bleeding.  Cancer of the vagina, cervix, uterus, and ovaries can cause bleeding. Ovarian cysts, cervicitis, endometritis, fibroids, vaginal infections, and other conditions can also cause excessive bleeding.