A member asked:

I was on antibiotics then stopped and took 4 active bc pills before i took inactive pills. then took 5 bc pills and had sex. was i protected?

A doctor has provided 1 answer
Dr. Adam Beall answered

Specializes in Surgery

Did you use: A back up method of birth control, such as a condom? Birth control pills contain estrogens. Some antibiotics cause the enzymes in the liver to increase the break-down of Estrogens and thereby can decrease the levels of Estrogens in the body and the effectiveness of the pill.

Answered 6/25/2014

4.4k views

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