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 Pelvic inflammatory disease (PID), an infection of the uterus, fallopian tubes, and other organs of the reproductive system.  Uterine, ovarian, and cervical cancer; these are rare but possible causes of heavy menstrual bleeding.