Medical Dictionary

morning–after pill

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noun morn·ing–af·ter pill \ˌmȯr-niŋ-ˈaf-tər-\

Medical Definition of morning–after pill

  1. :  an oral drug typically containing high doses of estrogen taken up to usually three days after unprotected sexual intercourse that interferes with pregnancy by inhibiting ovulation or by blocking implantation of a fertilized egg in the human uterus


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