A member asked:

How effective is plan b one-step?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Plan B: Plan b one-step can reduce your risk of pregnancy by up to 95% is used within 24 hours of sex. Taking it within 72 hours after unprotected sex reduces the risk of pregnancy by 89 percent.

Answered 9/27/2018

4.4k views

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