Health A-Z

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Because a PET scan involves radioactivity, tell your doctor if you are pregnant or if there is a possibility that you might be pregnant. Tell your doctor if you think you will be unable to lie very still for 30 minutes to two hours during the PET scan.

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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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