Emergency Contraception Pill (ECP)

What is it? How does it work?Emergency Contraception (ECP)

Emergency Contraception (EC; brand names Plan B and Ella) consists of one or two pills, which contain the hormone progesterone, to be taken within 3 to 5 days after unprotected sex for the purpose of preventing a pregnancy. The primary mechanism of action is believed to be prevention of ovulation or conception.

How effective is it?

EC will prevent a pregnancy that would have occurred 85% of the time when taken as directed after unprotected intercourse or a condom failure.

Plan B is most effective when taken as soon as possible within 3 days. Ella is equally effective for 5 days.

Does EC cause an abortion?

EC does not cause an abortion. Emergency contraception interrupts the regular menstrual cycle, preventing a pregnancy from occurring. If a woman is already pregnant, EC will not disrupt an already established pregnancy.

How do you use it?

A woman should take EC as soon as she gets it. (If she receives 2 pills, she should take them at the same time.)

How will I know if it works?

A woman’s next menstrual period may start a few days earlier or later than usual as a result of taking EC. If her period doesn’t start within 2 to 3 weeks, she should have a pregnancy test. The earliest she can have a pregnancy test is 10 days after the incident of unprotected sex.

Pros
  • EC can prevent a pregnancy that would have occurred 85% of the time after unprotected sex or after a condom failure.
  • There have been no serious health risks with EC and most women have no side effects.
Cons

Possible side effects include nausea, headache, or irregular bleeding.

Where can you get it?

EC is available at most pharmacies behind the counter (you have to ask the pharmacist for it) but you should call first to make sure they have it. Either men or women can purchase EC. You do not need a prescription if:

  • You are 17 years old (18 in some states)
  • You can show the pharmacist a state issued ID (driver’s license or other ID)

If you are younger, you can get a prescription from a health care provider. If that is not possible, call 1-888-NOT-2-LATE or go to the website www.not-2-late.com to find the nearest facility that prescribes EC.

When should you use it?

EC should be taken within 3 days or up to 5 days of unprotected intercourse or in the event of condom failure. Remember, although EC is quite safe, it is not effective enough to be used as a regular contraception. EC is intended for emergency use only.

What does it cost?

$45-$50

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