A member asked:

I've already started taking my pill but my period hasn't started yet, how long will it be until it's affective as a contraceptive?

A doctor has provided 1 answer
Dr. Bruce J. Stringer answered

Specializes in Radiology

Depends: If you started your pills on the first day of your period then it should already be effective. If you have not taken the pills exactly as instructed then effectiveness may be lower. Need more info.

Answered 11/13/2013

4.7k views

Thank

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