how long until the morning after pill isn't effective?
160106
You can take Plan B, My Way, and other levonorgestrel morning-after pills up to 5 days after unprotected sex. But the longer you wait to take it, the less effective it is. These types of morning-after pills may not work if you weigh 155 pounds or more.
189563
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.
425953
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.
338728
A: It's ideal to take Plan B One-Step® within 72 hours (that's three days) of having unprotected sex. You can take it up to five days after, but there's a higher failure rate the longer you wait. Ella® can be taken up to five days later without a drop-off in effectiveness.
670260
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%.
289355
Q: How long can you wait to take the morning-after pill? A: It's ideal to take Plan B One-Step® within 72 hours (that's three days) of having unprotected sex. You can take it up to five days after, but there's a higher failure rate the longer you wait.
858463
Emergency contraception can lower your chances of getting pregnant if you take it within 5 days (120 hours) after unprotected vaginal sex. However, it works best when you take it as early as possible — the sooner, the better!
1412383
That's why there's emergency contraception — a safe and effective way to prevent pregnancy up to 5 days after unprotected sex.
96622
95% of pregnancies are prevented if the morning after pill is taken within the first 24 hours, 85% if taken from 24–48 hours and 58% if taken from 48–72 hours after sex. The morning after pill is not supposed to be taken regularly.
1066140
Plan B can help prevent 7 out of 8 pregnancies if you take it within 72 hours (3 days) of having unprotected sex or experiencing a contraceptive failure. Plan B becomes less effective as more time passes after the first 72 hours since these events.
320604
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.
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.
309181
The morning after pill is about 95% effective when taken within 24 hours of having unprotected sex or a birth control mishap. The effectiveness of Plan B One-Step decreases to about 89% 72 hours after having sex.
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.
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.
940421
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.
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.