A member asked:

Hello so i had unprotected sex the early morning of my expected period i took a plan b maybe 7-9 hours later and got my (expected) period as scheduled?

A doctor has provided 1 answer

Plan B: Plan B is 95% effective in preventing pregnancy when taken within 24 hours of unprotected sex. Plan B also can disrupt the menstrual cycle. Take a home pregnancy test 3 weeks after unprotected sex to determine if pregnant.

Answered 5/18/2017

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Thank

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