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Westbrook, ME
A 24-year-old female asked:

I was wondering how long ortho novum 1/35 takes to be effective?

1 doctor answer1 doctor weighed in
Dr. STEPHEN GIROUX
Pharmacology 41 years experience
At least a month: You should never rely on birth control pills to work the first month on them. Use other forms of birth control during the first month.

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Last updated Sep 28, 2016

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