A member asked:

If i took my last dose of augmentin on a monday, had sex thursday is it out of my system by then? i am on birth control and have been taking it the entire time. would there be any possibility of pregnancy? thank you?

A doctor has provided 1 answer

Certain antibiotics do have some influence on absorption of the hormones in oral bcp's, but not significant enough to compromise the contraceptive effect. The "placebo" week after 21 active pills, still prevents loss of protection for seven days before ovulation can sometimes occur.

Answered 12/14/2022

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