A member asked:

How well does the next choice morning after pill work when taken within 15 hours of unpotected sex?

A doctor has provided 1 answer
Dr. Lori Semel answered

Specializes in Pediatrics

Yes: Plan B can work in one of three ways depending on where you are in your cycle. It can prevent or delay ovulation, can interfere with the fertilization of the egg or may prevent implantation by altering the lining of the uterus. If you take Plan B One-Step within 24 hours, it is about 95% effective.

Answered 1/21/2015

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A member asked:

How good is the next choice morning after pill?

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