Sometimes it works by preventing implantation of a fertilised egg, but it has no effect after implantation. The copper IUD does not cause an abortion. Emergency contraceptive pills work better the sooner you take them. This is why they used to be called 'morning after pills'. Some women feel sick after taking the emergency contraceptive pill. If you vomit within 2 hours of taking the levonorgestrel emergency contraceptive pill or 3 hours of the ulipristal acetate pill it might not work, so taking another one is recommended.
Since some medications can reduce how well the emergency contraceptive pill works, be sure to discuss any medications you are already taking with your pharmacist or doctor. The emergency contraceptive pill will not protect against pregnancy if you have unprotected sex again in the same menstrual cycle.
You may need a follow-up pregnancy test to check if the emergency contraception pill has worked and you are not pregnant. You can discuss a follow-up test with the pharmacist or doctor. They are very safe with no serious or long-lasting side-effects. There is a small chance of nausea, breast tenderness or headache. Most women have a period at the usual time but sometimes your next period can start earlier or later than expected.
You should do a pregnancy test if:. Most women can take the emergency contraceptive pill. Click this Shielded icon to contact Women's Refuge or find information that could help. Contraception is a way to prevent pregnancy. Our nurses and doctors can help you choose the best contraception for you. Work for us. Prevents the sperm from fertilising an egg by changing the way the sperm moves in your body.
When can I take the ECP? How effective is it? Does the ECP have any side effects? Can I get the ECP in advance? Yes, you can buy it from a chemist or get it from our clinics or your doctor on prescription. Can women on antiretroviral therapy safely use ECPs? Are ECPs appropriate for adolescents?
A study of ECP use among girls 13 to 16 years old found it safe. Furthermore, all of the study participants were able to use ECPs correctly. Also, access to ECPs does not influence sexual behavior. Adolescents might particularly need ECPs because of high rates of forced sex, stigma about obtaining contraceptives, limited ability to plan for sex, and errors in using contraceptives.
Can a woman who cannot use combined estrogen-progestin oral contraceptives or progestin-only pills as an ongoing method still safely use ECPs? If ECPs failed to prevent pregnancy, does a woman have a greater chance of that pregnancy being an ectopic pregnancy? No evidence suggests that ECPs increase the risk of ectopic pregnancy. Worldwide studies of progestin-only ECPs, including a US Food and Drug Administration review, have not found higher rates of ectopic pregnancy after ECPs failed than are found among pregnancies generally.
Why give women ECPs before they need them? Progestin-only ECPs are more likely to be effective when taken sooner. Women given ECPs ahead of time were more likely to use them when needed than women who had to go to a provider to get ECPs.
If ECPs require a prescription and cannot be given in advance, give a prescription that can be used as needed. This also works by stopping or delaying the release of an egg. Levonelle and ellaOne don't continue to protect you against pregnancy — if you have unprotected sex at any time after taking the emergency pill, you can become pregnant. They aren't intended to be used as a regular form of contraception.
But you can use emergency contraception more than once in a menstrual cycle if you need to. Most women can use the emergency contraceptive pill. This includes women who can't use hormonal contraception, such as the combined pill and contraceptive patch. Girls under 16 years old can also use it. But you may not be able to take the emergency contraceptive pill if you're allergic to anything in it, have severe asthma or take any medicines that may interact with it, such as:.
Levonelle may still be used, but the dose may need to be increased. Tell a GP, nurse or pharmacist what medicines you're taking, and they can advise you if they're safe to take with the emergency contraceptive pill. You can also read the patient information leaflet that comes with your medicine for more information. Levonelle is safe to take while breastfeeding. Although small amounts of the hormones in the pill may pass into your breast milk, it's not thought to be harmful to your baby.
The safety of ellaOne during breastfeeding isn't yet known. The manufacturer recommends that you don't breastfeed for one week after taking this pill. Use additional contraception, such as condoms, until you restart your contraception and for an additional:. A GP or nurse can advise further on when you can start taking regular contraception and how long you should use additional contraception.
There are no serious or long-term side effects from taking the emergency contraceptive pill. See a GP or nurse if your symptoms don't go away after a few days or if:.
You can get the emergency contraceptive pill in advance of having unprotected sex if:.
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