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What are the chances of pregnancy on the contraceptive pill and started a course of antibiotics on the Friday you then had unprotected sex on the sun this was a week ago will the antib have made a dif?
Answer It depends on the antibiotic. If it's one that affects the pill then yes it could interfere. Pretty much as soon as you start the antibiotic it can inte…rfere with the contraceptive pill. Which antibiotic? (MORE)
