how effective is the morning after pill if you're ovulating?
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You took Plan B during ovulation. If you ovulate during that time, the sperm and egg can meet and cause pregnancy. Morning-after pills work by temporarily stopping ovulation, but if your ovary has already released an egg, your EC won't keep you from getting pregnant, according to Planned Parenthood.
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Even though emergency contraception is often called the “morning after pill” or “day after pill,” it may be effective for up to 5 days (120 hours) after unprotected sex.
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Emergency contraception — the morning-after pill — is effective if started within 120 hours, or five days. The sooner emergency contraception is started, the better it works.
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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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If you have sex on at the time you ovulate or after you ovulate, your emergency contraception pill won't be effective (7). If you have unprotected sex again after you take the pill in the same cycle, it could also fail (7).
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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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Most use the same hormones that are in regular birth control pills. The emergency-use pills work mainly by delaying the release of an egg or ovulation. Once implantation has occurred, emergency contraception is no longer effective. If you're already pregnant, these pills will have no effect as a contraception method.
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We've mentioned how effective our research has shown ellaOne to be, but of course, no contraception is 100%. The only way to know that the morning after pill has definitely worked is for your next period to arrive.
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Morning-after pills such as Plan B and Ella help prevent you from getting pregnant after having unprotected sex. They work by stopping or delaying ovulation. In doing so, they might also affect the length of your normal menstrual cycle.
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The morning after pill does not prevent you from becoming pregnant after you take it. With My Way, Plan B One-Step, and Next Choice One Dose, it's important to stay on schedule with your pills regardless of how long after unprotected sex or what time of day you take your emergency contraception.
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You take one Levonelle tablet. It works by stopping or delaying ovulation (when your ovaries release an egg). EllaOne can be taken within 120 hours (five days) of having unprotected sex, but it's most effective if taken as soon as possible after having unprotected sex.
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It is possible to get pregnant after taking emergency contraception.
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Although it is sometimes called the 'morning after pill', the emergency contraceptive pill does not have to be taken in the morning. It is not 100 per cent effective in preventing a pregnancy and is more effective the sooner it is taken.
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No morning after pill is 100% effective. Research undertaken by the World Health Organisation on Levonorgestrel found that: when taken within 24 hours, it is 95% effective. when taken within 48 hours, it is 85% effective. when taken within 72 hours, it is 58% effective.
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It works by stopping or delaying ovulation (when your ovaries release an egg). EllaOne can be taken within 120 hours (five days) of having unprotected sex, but it's most effective if taken as soon as possible after having unprotected sex. You take one ellaOne tablet.
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One-dose emergency contraception pills prevent pregnancy about 50-100% of the time. Some reasons emergency contraceptive pills can fail include ovulation timing, BMI and drug interactions.
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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.