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A 26-year-old female asked:

I am on alesse, how common is it to get pregnant on the pill without using condoms?

1 doctor answer1 doctor weighed in
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Missing pills, yes: If you don't take the pill every day as directed then yes, it is common to get pregnant, and most women then say it was a "pill failure" Of course it was a "failure" to take the pill properly. The condom is more for STD protection as it has a 20% failure rate when used without another backup contraceptive.
Last updated Dec 10, 2015

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