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Will plan b work after a week?

Plan B is 95 percent effective if taken within a day after sex and 88 percent if taken between 3 days after. But there’s always a slim chance it won’t work. If you take Plan B and your period is over a week late, there’s a slight chance that you might be pregnant. Take a pregnancy test to play it safe.

Can I take Plan B after 4 days? Less effective . The longer after unprotected sex you take it the less effective the Plan B is. 4 days out it still works, but not near as well as taking it the same day. Agree w Dr. Didrich. Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) after unprotected sex.

What are the side effects of Plan B? Common side effects of Plan B include: nausea, vomiting, abdominal or stomach pain, tiredness, dizziness, changes in menstrual periods, breast pain or tenderness, diarrhea, or headache.

Does the Plan B pill work after 5 days? 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. Therefore, the sooner this pill is taken, the more effective it is.

How to know if Plan B worked? Unfortunately, the only way to know for sure if Plan B worked is to get your period . However, taking Plan B correctly and watching for signs of early pregnancy can help put your mind at ease.

What are the after effects of Plan B?

What are the after effects of Plan B? Taking Plan B can cause side effects in some people due to the elevated hormone levels in the body. Typical side effects may include: breast tenderness. dizziness. a headache. irregular bleeding. nausea. vomiting.

Does Plan B work after 72 hours? Based on available data, Plan B is most effective if taken within the first 72 hours after unprotected sex but is still somewhat effective up to 5 days (120 hours) after unprotected sex. As mentioned, the sooner you take Plan B, the better.

How effective is Plan B? 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.

What is the Plan B morning-after pill? The morning-after pill (also known by the brand name Plan B), is emergency contraception that a woman takes to prevent pregnancy . It’s a form of birth control which is used after unprotected sex takes place. The traditional morning-after pill is effective if taken up to 5 days after having unprotected sex.