Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

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When to Call A Doctor

You should contact your doctor if:

  • You are 14 and have not started to develop breasts or pubic hair

  • You are 16 and have not had your first menstrual period

If you are sexually active, call your doctor if you miss a period. You will need to have a pregnancy test.

If you are not sexually active, see your doctor if:

  • You have missed three consecutive menstrual periods

  • Your periods are irregular

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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