How does the incidence of amenorrhea vary by race or ethnicity?

Updated: Jan 08, 2019
  • Author: Kristi A Tough DeSapri, MD; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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Answer

No evidence indicates that the prevalence of amenorrhea varies according to national origin or ethnic group. However, local environmental factors related to nutrition and the prevalence of chronic disease undoubtedly have an effect. For instance, the age of the first menses varies by geographic location, as demonstrated by a World Health Organization study comparing 11 countries, which reported a median age of menarche of 13-16 years across centers.


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