Emergency contraception is used to help prevent pregnancy after unprotected sex.
It is sometimes called the morning-after pill.
How Emergency Contraception Works
Emergency contraception may work by:
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Delaying ovulation
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Preventing fertilization
It is not intended to end an existing pregnancy.
Frequently Asked Questions
Is Plan B the same as the abortion pill?
No. Plan B works before pregnancy begins.
How soon should emergency contraception be taken?
It is generally most effective when taken as soon as possible.
Learn More About Pregnancy Prevention and Confirmation
Understanding how emergency contraception works may help clarify common misconceptions.