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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Suggest Tests To Confirm Pregnancy

I am currently on yaz birth control pills and I have never missed a pill or taken one late. However I was one apo-clindamycin (3oomg) for my throat. I heard that some antiobiotics can effect birth control pills however, I couldnt find ne thing about this specific one. My last period started jan 4 and ended jan 8th. I stopped taking the antiobiotics on the following tuesday, jan 11. On saturday the 15th I had "sex" wihtout a condom but he did not ejuculate at all. Also he urinated prior before entering me and did not previous ejaculate that day. Is it likely that I could be pregnant?
Tue, 27 Oct 2015
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OBGYN, Maternal and Fetal Medicine 's  Response
Hi dear, I have gone through your question and understand your concerns.
Clindamycin do not alters the contraceptive efficacy of the birth control pills.
You need not worry as there was no ejaculation inside the vagina and your contraceptive pills will also work properly.
There are nochances of pregnancy.
Hope you found the answer helpful.
Wishing you good health.
Dr Deepti Verma
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Suggest Tests To Confirm Pregnancy

Hi dear, I have gone through your question and understand your concerns. Clindamycin do not alters the contraceptive efficacy of the birth control pills. You need not worry as there was no ejaculation inside the vagina and your contraceptive pills will also work properly. There are nochances of pregnancy. Hope you found the answer helpful. Wishing you good health. Dr Deepti Verma