The copper IUD for emergency contraception may work by killing sperm, preventing fertilization, or preventing implantation.
Where can you get emergency contraception?
Emergency contraception. You can buy emergency contraception, such as Plan B or Next Choice, in most drugstores.
- If you are 17 or older, you can get emergency contraception from a pharmacist,
without a prescription. Bring proof of your age.
- If you are
younger than 17, you can get emergency contraception with a prescription from a doctor.
Some types of emergency contraception, such as ulipristal (for example, Ella) are available only with a prescription from a doctor.
Birth control pills. If you
already have birth control pills on hand, you may be able to use them for
emergency birth control. To find out which brands of pills work and how to take
them, go to:
- The Planned Parenthood website at
Emergency Contraception website at http://ec.princeton.edu.
Some pharmacists will not sell emergency contraception or fill
prescriptions for birth control pills. If this happens to you, ask for the
location of a pharmacist who will, or go to:
- The Emergency Contraception website at
http://ec.princeton.edu, or call 1-888-NOT-2-LATE (1-888-668-2528).
- The Planned
Parenthood clinic nearest you, or call 1-800-230-PLAN (1-800-230-7526).
IUD. You can get an IUD from many
doctors, from college and public health clinics, or in most hospital emergency
rooms. An IUD has to be inserted by a doctor or other health
How do you use it?
Emergency contraception pills
The pills come in 1-pill or 2-pill packages. Follow the directions in the package or take them as your doctor directs you to.
You can take emergency contraception up to 5 days after
unprotected sex. But it works best if you take it right away.
Birth control pills as emergency contraception
For most regular birth control pills, you take one dose
of 2 to 5 pills as soon as you can. Then you take a second dose 12 hours later.
The dose depends on the type of pill.
If you use birth control pills for emergency contraception,
keep the following in mind:
- Birth control pills can cause nausea. Take an
antinausea medicine such as Dramamine with the first dose and again 1 hour
before the second dose.
- If you vomit within 2 hours of taking the
pills, call your doctor for advice. You may need to repeat the
- Be sure you take the active hormone pills. In a 28-day pack,
the first 21 pills contain hormones. The last 7 pills (the ones you take during
your period) do not contain any hormones. If you use 21-day packs, all of the
pills contain hormones.
A doctor or other health professional has to insert an
How well does it work?