What is the incidence of amenorrhea in the US?

Updated: Oct 14, 2019
  • Author: Kristi A Tough DeSapri, MD; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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The incidence of primary amenorrhea in the United States is less than 1%. [22] Each year, approximately 5-7% of menstruating women in the US experience 3 months of secondary amenorrhea

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