A member asked:

How long does plan b take to ingest and have effect?

A doctor has provided 1 answer
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

Plan B: Plan B is taken orally. You swallow the pills within 72 hours of unprotected intercourse. When used in this way it decreases the risk of pregnancy by about 70%. IT works by delaying or blocking ovulation. It is not an abortive agent. It begins working as soon as you swallow it as the hormones are absorbed.

Answered 10/24/2017

1.9k views

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