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A female asked:

How to prevent pregnancy if you think a sperm entered your vagina?

1 doctor answer2 doctors weighed in
Dr. Carla Enriquez
Pediatrics 51 years experience
Depends on timing: If it just happened then Plan B can prevent implantation. If the sexual encounter occurred more than three days ago, it's too late if you're pregnant to do anything but abortion. Next step is to do a home pregnancy test if you miss your period. If your period comes as always, then you're not pregnant. Please use birth control if you don't wish to get pregnant.

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Last updated Jun 30, 2014

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