Like levonorgestrel, it works by preventing the release of the egg from the ovary. Levonorgestrel is also an ingredient in other forms of birth control like oral birth control pills, vaginal rings, contraceptive implants, and birth control patches.Įlla, another emergency contraceptive, contains a different hormone, known as ulipristal acetate. Plan B is just one type of emergency contraceptive that contains levonorgestrel. "Emergency contraceptives that contain levonorgestrel are most effective if taken within 72 hours of unprotected sex," says Kakani. Since levonorgestrel affects ovulation and the uterine lining to prevent pregnancy, taking Plan B could alter the timing, length, and flow of your next period. It's important to note that plan B works to prevent fertilization, it will not terminate a pregnancy if the egg has already implanted. In case the egg has already been released, it works by blocking fertilization and altering the uterine lining so that the egg cannot attach itself to the wall of the uterus.By delaying the release of the egg from the ovary. ![]() Levonorgestrel is a synthetic progestin hormone that prevents pregnancy in two ways: Make sure to follow the instructions closely."Levonorgestrel is the active hormone in Plan B," says Krishna Kakani, an MD who has her own OB/GYN practice. Best if used as soon as possible, though they can be taken up to five days after unprotected sex. All levonorgestrel-based EC pills work like birth control pills, but at a much higher dose and taken temporarily. Levonorgestrel-based EC pills are available off the shelf at pharmacies and grocery stores to anyone with no age restrictions. That means you should be able to buy these, including Plan B®, without having a prescription or showing your ID. Take the one-pill formula within five days after unprotected sex. In some states, you can order it from an online pharmacy without getting a prescription first. You need a prescription to pick up ella at a local pharmacy. You’ll need to make an appointment with a health care provider to have this procedure. If you get the IUD inserted within 5 days after unprotected sex, it can lower the chance of pregnancy by 99.9%. Here are the different types you can choose from. But if you have unprotected sex, it’s the quickest and easiest “after-the-fact” option out there. How do you use it?Įmergency contraception isn’t a method you should rely on all the time-there are much more effective methods out there. And be sure to ask your health care provider which method is best for you. Check out the videos above to hear people talk about their experiences with emergency contraception. ![]() The best part? You’ll have an easy and super-effective birth control method for up to 12 years.ĭon’t take our word for it. If find yourself in need of EC and want a longer-lasting solution, the Paragard IUD is the most effective EC option by far and can be inserted up to 5 days after unprotected sex. So it’s not a bad idea to keep a box of one of the EC pill varieties on hand, just in case you need it. The sooner you take EC, the more effective it is. Rape is a horrible thing, but it happens. If you’ve been raped, or if you had sex with someone who refused to use another form of contraception, consider EC. No matter the reason, if you didn’t use any protection during sex and don’t want to get pregnant, EC might be for you-as long as it’s been less than five days since that unprotected encounter. Maybe you thought you could go without birth control just this once. Maybe it was due to the influence of alcohol. If you’re not sure your partner pulled out in time, that’s another reason you might think about using EC. If the condom broke, or you forgot to take your pill, insert your ring, apply your patch, or if your diaphragm slipped-anything like that-you may want to use EC. You had a “whoops” moment with your contraception
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