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How does Plan B work on the fertile period?

If you took it on day 15 (s3x on day 14) ?? What does it do when the women is most fertile?

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  • 6 years ago

    Nothing, Plan B works by taking the egg (rather it's fertile or not) and stops it before it implants in your uterus and forces you to start your period, so I guess it does do one thing. It starts your period. It won't keep you from getting pregnant if you take it before sex

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