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A 18-year-old female asked:

I had unprotected sex and he came inside of me. i was about to take the morning after pill and i accidentally dropped it in my soda, most of it dissolved but i drank all of it. im now a day late on my period is there a chance it didnt work?

1 doctor answer2 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
The pill should work: Plan B (and other "morning after" pills) can alter the menstrual vaginal bleeding for the cycle in which Plan B was taken, and sometimes in the next cycle too. One should be sure to check a home pregnancy test about 3 weeks after sex, because emergency contraceptive pills work most of the time, but not all the time.

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Last updated Oct 6, 2020

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