Amenorrhea is when a woman does not have a menstrual period or they have stopped. It is also called absent periods.
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Hormones often cause this problem. They start changes in the body that result in a period. They may be lowered by:
This problem is more common in high-level athletes, such as long-distance runners. Faulty genes may also raise the risk in some women.
Primary amenorrhea is when the first period has not happened in a young woman aged 5 years or older. Secondary is when a woman with regular periods has not had a period in 3 months in a row or a woman with irregular periods has not had a period in 6 months in a row.
You will be asked about your symptoms and health history. You will also be asked about your history of periods. A physical exam will be done. This is enough to make the diagnosis.
More testing will need to be done to find the cause of the amenorrhea.
Treatment depends on the cause. It may be treated by things like:
Female athletes can lower the risk by staying at a healthy weight by eating foods that support their level of training.
The American Congress of Obstetricians and Gynecologists
Women's Health—Department of Health and Human Services
The Society of Obstetricians and Gynaecologists of Canada
Amenorrhea. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/amenorrhea. Updated January 16, 2018. Accessed January 17, 2020.
Amenorrhea. Family Doctor—American Academy of Family Physicians website. Available at:
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Updated May 24, 2017. Accessed January 17, 2020.
Azurah AG, Zainuddin AA, et al. Diagnostic pitfalls in the evaluation and management of amenorrhea in adolescents. J Reprod Med. 2013 Jul-Aug;58(708):324-36.
Last reviewed September 2019 by
EBSCO Medical Review Board
Beverly Siegal, MD, FACOG
Last Updated: 7/22/2020