You can now see this page in Spanish,
(Puede ver esta página en español;
vous pouvez aussi lire cette page en francais.)
The Emergency Contraception Website is operated by the
Office of Population Research at Princeton University and
by the Association of Reproductive Health Professionals.
For 2006, this project has been made possible by a generous grant from the
William and Flora Hewlett Foundation. This website provides
accurate information about emergency contraception derived from the medical
This website has no connection whatsoever with any companies that manufacture
or sell emergency contraceptives.
What is Emergency Contraception?
Emergency contraceptives are methods of preventing pregnancy after
unprotected sexual intercourse. Emergency contraception is often called "morning
after contraception," "the morning after pill," or "the day after
pill," but these terms are misleading
because emergency contraception can be used before the morning after or
up to five days after. Emergency contraceptives do not protect against sexually
transmitted infections. Emergency contraception can be used when a condom
breaks, after a sexual assault, or any time unprotected sexual intercourse
occurs. Do not use emergency contraceptives as your only protection against
pregnancy if you are sexually active or planning to be, because they are not as effective as any ongoing contraceptive method. Emergency
Where Can I Find Emergency Contraception?
In many countries, but not the United States, emergency
contraceptive pills ("morning after pills") are available from a pharmacy without a prescription.
For the United States, we maintain a directory of providers who
have informed our office that they are willing to
provide information about and prescribe emergency contraceptives. We also
maintain a directory of emergency contraceptive pills available in each country.
If you have questions about emergency contraception, please visit our page on
frequently asked questions. If you cannot
find an answer to your specific question, you can write to the e-mail address
If you have a story to share about your experience getting
access to emergency contraception, please send it to us. All information
will be used anonymously. Send your comments to James Trussell,
This website is peer reviewed by a panel of outside experts.
Last revised 4/2006.