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Doctor insights on: Plan B Failure Rate

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Success rate of taking Plan B within 41 hours after condom broke ?

High: Pregnancy rate is ~10% if taken within 72 hours. There may be irregular bleeding for up to 2 months after taking. The pattern doesn't mean anything about whether the medication worked or not. So run a home urine pregnancy test 14 days after the accident using first urine of the morning. If it's negative, you're not pregnant. Consider a more reliable form of contraception for the future. ...Read more

Dr. Peter Baumann
851 doctors shared insights

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If I have protected sex, whether theres a failure or not, is it extra safe to take Plan B after?

If I have protected sex, whether theres a failure or not, is it extra safe to take Plan B after?

If you want OK: Remember it you can't uses it constantly as contraceptive , see your doctor and seek a long term plan. ...Read more

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Dark dark bleeding 3 days after taking Plan B on last day of my cycle after contraception failure. .. worried!

Dark dark bleeding 3 days after taking Plan B on last day of my cycle after contraception failure. .. worried!

Normal: The bleeding is to be expected. If you took the plan B promptly as the directions advise, you should be fine.You do need to consider a more reliable method of contraception to save yourself the worry in the future. Good luck. ...Read more

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Had a contraception failure 2days ago and want to use Plan B.spotting since 2days (never had before)LMD is 29th April.is it my period?Shld I use planB

Had a contraception failure 2days ago and want to use Plan B.spotting since 2days (never had before)LMD is 29th April.is it my period?Shld I use planB

If not wanting preg.: If the next period is due around May 29th, then this time of month is actually mid-cycle (around ovulation). If one truly doesn't want to become pregnant, using Plan B is pretty effective and can be taken as soon as possible. One can call her Ob-Gyn doctor if having questions or concerns. ...Read more

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I am on regular birth control pills. I took Plan B the first day of my placebo week because of condom failure. Could Plan B make me miss my period?

I am on regular birth control pills. I took Plan B the first day of my placebo week because of condom failure. Could Plan B make me miss my period?

Maybe: If you were taking the birth control pills regularly it is very unlikely that you would become pregnant...Even with a broken condom. The condom is helping very little with your contraception but using a condom can be a good way to prevent some stds, not all. Plan b could alter your period. Just begin your next pill cycle on the correct day. Get a pregnancy test done to prove you are not pregnant. ...Read more

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How much time do I have to take Plan B pill after being ejectlated in at 4:00 a.M? Its 3 now do ihave time to get a pill

Yes definitely: Get it as soon as you can if you desire to not be pregnant. The effectiveness of the medication decreases with time but most doctors will recommending taking up to 72 hours after unprotected intercourse. Again, the sooner the better. ...Read more

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How effective is taking Plan B if he pulls out?

To late: You need to be more protected and better prepared before you start. ...Read more

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How long does Plan B stay in your system?

How long does Plan B stay in your system?

24-48 hours: The drug reaches its highest concentration in about 2 hours and, assuming normal liver and kidney function should be out of your body between 24 and 48 hours. ...Read more

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I'm 17 my bf is 21. He came in me & got me plan b I'm having second thoughts about taking it? If I take after 5 days? It's only been 2 days since

Take it NOW!: If Plan B has any chance of working it needs to be taken within the first 48 hours if you don't want an unplanned pregnancy. ...Read more