Hormones often cause this problem. They start changes in the body that result in a period. They may be lowered by:
- Poor habits, such as lack of nutrition, too much physical activity, too much weight loss, or a lot of stress
- Health problems, such as polycystic ovary syndrome
- Delayed puberty
- Birth defects
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Edits to original content made by Denver Health.
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a (Absent Menses; Amenorrhea)
The American Congress of Obstetricians and Gynecologists http://www.acog.org
Women's Health—Department of Health and Human Services http://www.womenshealth.gov
Health Canada https://www.canada.ca
The Society of Obstetricians and Gynaecologists of Canada https://sogc.org
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: http://familydoctor.org/familydoctor/en/diseases-conditions/amenorrhea.html. 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.