Never Started Menstrual Periods

No matter what your age, if you're sexually active, pregnancy must be considered a real possibility as the cause for irregular periods. Contact a doctor, a nurse, or speak to your parents or some other responsible adult, such as a guardian or your teacher. You may be pregnant and you need to be sure that you are okay.

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Online Medical Reviewer: LeWine, Howard MD Date Last Reviewed: 8/3/2006 Date Last Modified: 7/5/2006 Source: from Harvard Health Decision Guides, Harvard Health Publications, Copyright © 2007 by President and Fellows of Harvard College. All rights reserved. Used with permission of StayWell.

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