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Missed or Irregular Periods - Check Your Symptoms

Call a doctor if:

  • You have lower belly pain and think you could be pregnant.
  • A home pregnancy test says you are pregnant, or you think you're pregnant even though the test says you are not.
  • You have missed two regular periods and don't know why.
  • You miss two periods while taking birth control pills, and you have not skipped any pills.
  • You have not had your first period by age 16.
  • You have not developed breasts or pubic hair by age 14.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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