St johns wort

Patient

Q: Hi there,
I just read on a website that St. Johns wort affects the effectivness of birth control pills. I took two on sunday morning and my boyfriend and i had sex twice that night as well as the next day. I have been on the birth control pill for over two years now and take it everyday within around 2 hours. However we did not use condoms he was only "pulling out". What are my chances of getting pregrant from this?

Doctor

A:   This question is currently in queue and will be answered shortly by one of our doctors. In the meantime you may browse our library of answered questions by clicking here.

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