What is the difference between EC and RU-486?
Emergency contraception is not the same as mifepristone (RU 486). It does not cause abortion and will not work if a woman is already pregnant.
--Like other hormonal contraceptive methods, emergency contraceptive pills prevent pregnancy by preventing ovulation, inhibiting fertilization, or interfering with implantation of a fertilized egg. They will not work if a woman is already pregnant.
--The American Medical Association, the American College of Obstetricians and Gynecologists, and the World Health Organization agree that ECPs cannot disrupt an established pregnancy and, thus, do not cause abortion.
--ECPs should not be confused with mifepristone (commonly known as RU 486), which is an early option for non-surgical abortion.
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