A member asked:

Could taking plan b exactly one month ago cause the effectiveness of my regular birth control pills to be lower now?

3 doctors weighed in across 2 answers
Dr. Andrew Ho answered

Specializes in Psychiatry

No effect: Plan b does not reduce effectiveness of birth control pills.

Answered 10/23/2017

4.2k views

Thank
Dr. Heidi Fowler answered

Specializes in Psychiatry

Agree with Dr. Ho: The use of an emergency contraceptive will not alter the effectiveness or your regular oral contraceptive.

Answered 9/10/2017

553 views

Thank

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