morning-after pill

morning-after pill definition - medical

morn·ing-af·ter pill (môrˈnĭng-ăfˈtər)

noun
A pill containing an estrogen or a progesterone drug that prevents implantation of a fertilized ovum in the uterus after sexual intercourse.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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