Amenorrhea (uh-men-o-REE-uh) is the absence of menstruation — one or more missed menstrual periods. Women who have missed at least three menstrual periods in a row have amenorrhea, as do girls who haven't begun menstruation by age 15.
The most common cause of amenorrhea is pregnancy. Other causes of amenorrhea include problems with the reproductive organs or with the glands that help regulate hormone levels. Treatment of the underlying condition often resolves amenorrhea.
May. 09, 2014
- DeCherney AH, et al. Current Diagnosis & Treatment Obstetrics & Gynecology.11th ed. New York, N.Y.: The McGraw-Hill Companies; 2013. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=788. Accessed Jan. 21, 2014.
- Klein DA, et al. Amenorrhea: An approach to diagnosis and management. American Family Physician. 2013;87:781.
- Goldman L, et al. Goldman's Cecil Medicine. 24th ed. Philadelphia, Pa.: Saunders Elsevier; 2012. http://www.clinicalkey.com. Accessed Jan. 20, 2014.
- Welt CK, et al. Etiology, diagnosis and treatment of secondary amenorrhea. http://www.uptodate.com/home. Accessed Jan. 21, 2014.
- Welt CK, et al. Etiology, diagnosis and treatment of primary amenorrhea. http://www.uptodate.com/home. Accessed Jan. 21, 2014.
- Bope ET, et al. Conn's Current Therapy. Philadelphia, Pa.: Saunders Elsevier; 2013. http://www.clinicalkey.com. Accessed Jan. 20, 2014.
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