how long does the morning after pill prevent pregnancy?
474687
Accidents happen. That's why there's emergency contraception — a safe and effective way to prevent pregnancy up to 5 days after unprotected sex.
1046183
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.
1009572
The morning after pill is taken soon after sex to reduce the risk of pregnancy. The name is misleading — the morning after pill can be taken up to 3 or up to 5 days after sex, depending on the type of pill.
129976
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.
480279
Accidents happen. So if you use withdrawal for birth control, think about keeping emergency contraception (aka the morning-after pill) in your medicine cabinet, just in case ejaculate (cum) gets in or near your vagina. Emergency contraception can prevent pregnancy for up to 5 days after unprotected sex.
363898
Whatever happened during plan A, you can choose Plan B® as an effective emergency contraceptive as long as you take it within 72 hours (three days) of unprotected sex.
276116
This is a small device that can be inserted into the womb and is highly effective at preventing pregnancy. It can remain there for up to 10 years as a regular form of contraception. There is a chance that the morning after pill can fail and you can fall pregnant.
753867
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.
585303
If you have had unprotected sex or a broken condom, an emergency pill can prevent a pregnancy from starting. It must be taken within 72 hours (3 days) of having sex and is more effective the sooner you take it.
138785
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.
188285
How Effective Is Levonorgestrel? 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.
313604
Read the instructions that come in the package for more information. You can take these morning-after pills up to 5 days after unprotected sex, but they work much better if you take them during the first 3 days. Take a pregnancy test if you haven't gotten your period within 3 weeks after taking the morning-after pill.
1255034
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%.
689752
You can take these morning-after pills up to 5 days after unprotected sex, but they work much better if you take them during the first 3 days. Take a pregnancy test if you haven't gotten your period within 3 weeks after taking the morning-after pill.
197841
It is possible to take Plan B up to 5 days after having sex, but it becomes less effective the longer a person waits. A 2019 review suggests that those who use morning-after pills as a regular form of contraception have a chance of becoming pregnant within 12 months.
1412383
That's why there's emergency contraception — a safe and effective way to prevent pregnancy up to 5 days after unprotected sex.
268592
Levonorgestrel is most effective when taken within 12 hours of unprotected sex, although it can be effective for up to 72 hours after sex. You should bear in mind, however, that this effectiveness decreases over time. Levonorgestrel is thought to prevent: up to 95% of pregnancies if taken within 24 hours.