About one in three women using ECPs gets nausea. It is usually mild and should stop in a day or so. You may be prescribed some medicine to help the nausea. Your next period may start a few days earlier or later than usual. If your period doesn't start within three weeks, schedule an exam and pregnancy test right away.
Ectopic pregnancy is a medical emergency.
Step 5 As soon as you can, begin using a method of birth control you will be able to use every time you have sex. ECPs are only meant for one-time emergency contraception. They are not effective as other kinds of birth control, like condoms and birth control pills. For more information about the ECP method, make an appointment to visit the Planned Parenthood location nearest you .