how long should you wait to take another plan b?
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Both Plan B pills can be taken at the same time with no decrease in effectiveness or increase in side effects. Plan B should be taken within 5 days (120 hours) of unprotected sex and can reduce the risk of pregnancy up to 89%. But it is more effective the sooner you take it.
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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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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.
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If you have had intercourse without any protection other than the ring (for example, condoms) within seven days before or after a NuvaRing has been out for more than three hours, it is safest to use Plan B (emergency pills – these can be used up to five days after unprotected sex) or have an emergency copper IUD ...
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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.
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The Plan B pill works best when you take it within 3 days after unprotected sex. You can get Plan B at your local drugstore or pharmacy.
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How many times can you take Plan B (the morning-after pill)? It is possible to take Plan B as many times as necessary to prevent an unplanned pregnancy. Typically, it is only necessary to take one dose of Plan B each time a person has sex without contraception.
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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.
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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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Plan B should be taken within 5 days (120 hours) of unprotected sex and can reduce the risk of pregnancy up to 89%. But it is more effective the sooner you take it.
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However, research shows that progestin-only emergency contraceptive pills (also called "morning after pills" or "day after pills") are equally effective if you take the two doses at the same time, take them 12 hours apart as recommended, or wait as long as 24 hours to take the second dose.
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You don't take it soon enough. The major caveat here is that they work best when taken within 72 hours, then the efficacy starts dropping. Within three days after unprotected sex, these kinds of morning-after pills are between 75 and 89 percent effective at preventing pregnancy, according to Planned Parenthood.
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If you are sick or have severe diarrhoea within 3 hours after taking the morning after pill, there is a risk that it won't work. If this happens, you need to consult a doctor or pharmacist as soon as possible to check whether you need to take a second pill.
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Plan B. The Plan B package instructions state that you should take 1 white pill within 72 hours after unprotected sex and 1 more white pill 12 hours later. Each dose contains 0.75 mg of levonorgestrel. The two pills are identical; it does not matter which pill you take first.
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Emergency contraceptive pills (ECPs), also known as the "morning after pill,” or Plan B (or generic brands) are most effective when taken within 72 hours (3 days) after having sex. ECPs can be used up to 5 days after having sex and not just the next morning.
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Take Action is a generic form of Plan B One-Step. The label says to take one white pill within 72 hours after unprotected sex. This dose contains 1.5 mg of levonorgestrel.
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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.