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The Emergency Contraception Website - Your website for the "Morning After"


ellaOne is an emergency contraceptive pill containing 30 mg of ulipristal acetate, a progesterone receptor modulator. It is effective for up to 5 days after unprotected sex. It is currently available in some countries in Europe. Click here for a list of countries where ellaOne and other emergency contraceptive pill brands are available, or you can search for other morning after pill brands available worldwide using our pills database.



This website is operated by the Office of Population Research at Princeton University and has no connection with any pharmaceutical company or for-profit organization.

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