how effective is the morning after pill levonelle?
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Levonelle One Step contains a synthetic hormone like substance called levonorgestrel. It prevents about 84% of expected pregnancies when you take it within 72 hours of having unprotected sex. It will not prevent a pregnancy every time and is more effective if you take it as soon as possible after unprotected sex.
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Plan B, My Way, Take Action, and other levonorgestrel morning-after pills work best when you take them quickly after unprotected sex. They'll work best up to 3 days (72 hours) after unprotected sex. You can take these up to 5 days (120 hours) after sex, but they don't work nearly as well by day 5.
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Levonelle can be taken within 72 hours (3 days) of having unprotected sex, but it's most effective if taken within 12 hours of having unprotected sex. Prices vary, but it's likely to cost around £25. You need to be 16 or over to buy Levonelle. If you are under 16 you will need a prescription from a doctor to get it.
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It is effective up to 120 hrs (5 days) after unprotected sex. It is the most effective form of emergency contraception, although can be harder to access than a pill.
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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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In comparison, it's estimated that 0.6 to 2.6% of women who take Levonelle after unprotected sex will become pregnant. The effectiveness of both Levonelle or ellaOne may be reduced if a woman has a high body mass index (BMI). This makes it harder to provide a more precise estimate for either pill.
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How effective is Plan B One-Step and other levonorgestrel morning-after pills? 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.
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“The morning-after pill is only dosed for women 175 pounds and under.” The idea that the morning-after pill might not be effective for heavier women isn't fiction. ... “Basically women who are obese have between a two- and fourfold higher risk of pregnancy than a woman of normal weight.”
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EllaOne contains ulipristal acetate and is licensed to be taken within 120 hours (5 days) of unprotected sex. Both Levonelle and ellaOne are effective only if taken before the release of an egg from the ovary (ovulation). The sooner you take Levonelle or ellaOne, the more effective it will be.
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Based on the data scientists have, one-dose emergency contraception pills are effective at preventing pregnancy about 50-100% of the time (3,4).
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Emergency contraception pills are estimated to be 75 to 90 percent effective at preventing pregnancy. Plan B, one form of emergency contraception that can prevent pregnancy when taken within 72 hours of sexual intercourse, was first approved by the FDA in 1999 for prescription use only for women of all ages.
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Both types of emergency contraception are effective at preventing pregnancy if they are used soon after unprotected sex. Less than 1% of women who use the IUD get pregnant, whereas pregnancies after the emergency contraceptive pill are not as rare. It's thought ellaOne is more effective than Levonelle.
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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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“The morning-after pill is only dosed for women 175 pounds and under.” ... There are no warnings about efficacy and weight on the package of the emergency contraception Plan B even though evidence suggests that the morning-after pill might be less effective for heavier women.
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Levonelle and ellaOne do not continue to protect you against pregnancy. This means that if you have unprotected sex at any time after taking the emergency pill you can become pregnant. Even if you are starting or continuing another method of hormonal contraception, it may not be effective immediately.
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A 2017 review of the evidence estimated that around 1 to 2% of women who take ellaOne after unprotected sex will become pregnant. In comparison, it's estimated that 0.6 to 2.6% of women who take Levonelle after unprotected sex will become pregnant.
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Levonorgestrel can prevent pregnancy after unprotected sex. People sometimes call it the "morning after pill." But you don't have to wait until the morning after sex to take it. In fact, levonorgestrel is more effective the sooner you take it. It is a one-dose regimen: you take one pill.