A member asked:

Hi, yesterday ejaculated inside my girlfriend on the 2nd day of her period. today she will take plan b pill. my question is will it prevent pregnancy?

A doctor has provided 1 answer

Dr. Katharine Cox answered

Specializes in Pediatric Emergency Medicine

Usually: 85-95% effective. Take within 24 hours. Find another form of birth control and use protection. All the best.

Dr Altman and another doctor agreed

Answered 4/17/2016

1.7k views

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A member asked:

Hi, yesterday ejaculated inside my girlfriend on the 2nd day of her period. today she will take plan b pill. my question is will it prevent pregnancy?

A doctor has provided 1 answer

Dr. Katharine Cox answered

Dr Altman and another doctor agreed

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