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A 23-year-old female asked:

It was said that nur isterate is a progesterone only injectable contraceptive. antibiotics does not reduce its effectiveness so what should i do if i had unprotected sex during the time of the antibiotics does it mean im pregnant?

1 doctor answer1 doctor weighed in
Dr. Aveshen Govender
A Verified Doctoranswered
A US doctor answeredLearn more
Do pregnancy test: If the nur isterate was administered correctly and on time, it is unlikely that you are pregnant. However all contraceptive methods have chances of failing. Nur isterate has a failure rate of 0.2%. Suggest you do a pregnancy test as precaution.

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Last updated Apr 24, 2018

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