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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

How Do I Prepare?

You'll undergo a breast exam and possibly a mammogram before the biopsy to determine where the lump is located. If you are having a sedative with local anesthesia, or if you are having general anesthesia, you'll be asked not to eat anything after midnight on the day before the surgery.

Tell your doctor if you're taking insulin, NSAIDs, or any medicine that can affect blood clotting. You might have to stop or adjust the dose of these medicines before your test.

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.

You can find more great health information on the Harvard Health Publications website.