Heavy or prolonged menstrual periods, or menorrhagia, are the most common type of abnormal bleeding from the uterus. Periods are considered heavy if there is enough blood to soak a pad or tampon every hour for several consecutive hours.
By Amy Engeler
At 3 a.m., with all the houses dark up and down her winding suburban street in West Warwick, Rhode Island, Jo-Ann Frey, 37, lights a candle so she can see well enough to dust her furniture. Careful not to turn on any lights or make noise that might wake up her family, she drifts from room to room with her candle and cleaning supplies, waiting until she feels sleepy enough to climb back into bed. That feeling doesn't come -- and when she hears the alarm in the bedroom go off...
There are many possible causes of heavy menstrual bleeding. They include:
Hormonal imbalance, particularly in estrogen and progesterone; this is most common in adolescents who recently began their periods and women who are getting close to menopause. Hormonal imbalance may also occur if there is a problem in the function of the ovaries.
Fibroids or noncancerous tumors of the uterus; fibroids typically occur during childbearing years.
Adenomyosis, a condition in which the glands from the lining of the uterus become imbedded in the muscular wall of the uterus; this is most likely to occur in middle-aged women who have had several children.