how long does it take for plan b to work?
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Plan B has a 95% chance of preventing pregnancy if you take it within 24 hours. If you take it within 72 hours, you have up to an 89% chance. "Plan B is FDA approved for use up to 72 hours after unprotected sex.
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A levonorgestrel morning-after pill like Plan B One Step, Take Action, My Way, and AfterPill can lower your chance of getting pregnant by 75-89% if you take it within 3 days after unprotected sex. You can take Plan B, My Way, and other levonorgestrel morning-after pills up to 5 days after unprotected sex.
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Plan B® is effective Although few women experience vomiting with Plan B®, if you vomit within two hours of taking Plan B®, you might not have absorbed the medication contained in the pill. Call your healthcare professional, as you might need another dose.
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The morning after pills effectiveness depends on which method is used. Levonogestrel based pills, like Plan-B, are up to 89% effective when taken less than 3 days after unprotected sex. It will continue to work up to 5 days after protected sex, but it's less effective as time passes.
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You need to take the emergency contraceptive pill within 3 days (Levonelle) or 5 days (ellaOne) of unprotected sex for it to be effective – the sooner you take it, the more effective it'll be.
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Can I take the morning-after pill after six days? Save your money. Taking the morning-after pill — emergency contraception — more than five days after unprotected vaginal intercourse won't have any effect. Emergency contraception — the morning-after pill — is effective if started within 120 hours, or five days.
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Side effects of the morning-after pill It's very unlikely that you will have any severe reactions to Plan B®. You may have some temporary side effects that will usually pass within 24 hours. Like all medications, Plan B® can cause some side effects: Nausea: ~14% to 23% of women.
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At a glance: facts about emergency contraception You need to take the emergency contraceptive pill within 3 days (Levonelle) or 5 days (ellaOne) of unprotected sex for it to be effective – the sooner you take it, the more effective it'll be.
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Side effects of the morning-after pill It's very unlikely that you will have any severe reactions to Plan B®. You may have some temporary side effects that will usually pass within 24 hours.
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When a person takes Plan B correctly, and within 3 days of having sex without using contraception, it can educe the chance of pregnancy by up to 89%. It is possible to take Plan B up to 5 days after having sex, but it becomes less effective the longer a person waits.
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To use the morning-after pill: Follow the morning-after pill's instructions. If you use Plan B One-Step, take one Plan B One-Step pill as soon as possible and less than 72 hours after unprotected sex. If you use ella, take one ella pill as soon as possible and less than 120 hours after unprotected sex.
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As soon as possible! The morning-after pill can help prevent pregnancy within five days after you have unprotected intercourse, but it won't prevent pregnancy for any sex you may have after taking the pills. So it's important to start using a regular form of birth control right away.
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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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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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Emergency contraception (AKA the morning-after pill) works up to five days (120 hours) after unprotected sex. But the sooner you take it, the better it works.
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How effective is it? The earlier the morning-after pill is taken after unprotected sex, the greater the success in preventing pregnancy. Ideally the pill should be taken within 72 hours, in which case the rate of efficacy is around 85%. If taken after 72 hours, the effectiveness reduces.
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Do I have to wait until the next day? You should take it as soon as possible. Emergency contraception (AKA the morning-after pill) works up to five days (120 hours) after unprotected sex. But the sooner you take it, the better it works.