how successful is plan b?
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If you take the pill within 72 hours after you've had unprotected sex, levonorgestrel can reduce the risk of pregnancy by up to 87% if taken as directed. If you take Plan B One-Step within 24 hours, it is much more effective. But you should know that Plan B One-Step is not as effective as regular contraception.
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When you should take Plan B multiple times If you take one dose of Plan B within 24 hours of unprotected sex, you have a 95% chance of preventing pregnancy because it interferes with your ovulation by either preventing or delaying it.
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If you take it within 24 hours of unprotected sex, it is 95% effective. If you take it between 48 and 72 hours of unprotected sex, the efficacy rate is 61%. Note that if Plan B® is used on more than one occasion, the cumulative pregnancy rate will be higher.
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The emergency contraceptive pill is very successful at preventing pregnancy (96 to 99%).
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If taken within 72 hours of unprotected sex, Plan B is 89 percent effective at preventing pregnancy, according to Planned Parenthood. The drug is less effective after three days, but can work up to five days after unprotected sex.
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A: It's ideal to take Plan B One-Step® within 72 hours (that's three days) of having unprotected sex. You can take it up to five days after, but there's a higher failure rate the longer you wait. Ella® can be taken up to five days later without a drop-off in effectiveness.
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Plan B is a pill that can be taken with water. This medication is most effective if used within 24 hours after unprotected sex, but can be used within 5 days after unprotected sex.
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It's not a freaking abortion pill. Pregnancy doesn't happen right after you have sex. It can actually take five to seven days after sex for the sperm and egg to meet, so all Plan B One-Step does is keep your ovary from releasing an egg for longer than usual so it can't join with sperm.
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The sooner you take Plan B®, the more effective it is. It can prevent pregnancy if taken within 72 hours and preferably within 12 hours of unprotected sex. If you take it within 24 hours of unprotected sex, it is 95% effective. If you take it between 48 and 72 hours of unprotected sex, the efficacy rate is 61%.
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An estimated 0.6 to 2.6% of women who take the morning-after pill after unprotected sex will still get pregnant.
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When it's taken perfectly it is 99 per cent effective, according to Planned Parenthood. That means that one in every 100 women taking the Pill could become pregnant.
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Yes, it's often called the "morning after" pill. But really, the sooner you take it, the more effective it will be. Studies show that if you take emergency contraception within 72 hours of sex, you have only a 1% to 2% chance of getting pregnant.
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Plan B contains a synthetic form of a naturally occurring hormone, which allows it to prevent ovulation. It does not cause an abortion. Some people who take Plan B experience light bleeding or spotting for up to 1 month afterward, and this goes away on its own.
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Yes, it's possible to get pregnant. Plan B One Step or Next Choice — the morning-after pill — can help prevent pregnancy. But it won't prevent pregnancy for any sex you may have after taking the pills. If you use the morning-after pill and then have unprotected sex, you need to take the morning-after pill again.
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Plan B One-Step and generic levonorgestrel work best if you take them within 3 days after sex, but they may work up to 5 days after sex.
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Plan B One‑Step is one pill that you place in your mouth and swallow, preferably with water. You can take Plan B with or without food. The most important thing to know about taking Plan B is that it must be taken within 72 hours (3 days) after unprotected sex to help prevent pregnancy before it starts.
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Can You Still Get Pregnant After Taking the Morning After Pill? It is possible to get pregnant after taking emergency contraception. Though the morning after pill decreases the likelihood of getting pregnant, it's not always effective.