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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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On Yaz Birth Control. Took Plan B After Unprotected Sex. Why There Is No Sign Of Period After Negative HPT?

I had unprotected sex 3 times four weeks ago. This occured on a friday night at 1 am or so. Sunday morning i went and bought a plan b. I have been on yaz birth control for about three years now. It has been four weeks now and there is no sign of my period. I took two tests that both came out as negative. What could this be?
Mon, 2 Dec 2013
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OBGYN 's  Response
If you are regularly taking birth control pills...then you need not hsve taken plan B....now that you hsve takenand urine test is negative that means nothing to worry. ..wait for one week for periods to come..it could be due to excess hormones in your body causing the delay of period withdrawal
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On Yaz Birth Control. Took Plan B After Unprotected Sex. Why There Is No Sign Of Period After Negative HPT?

If you are regularly taking birth control pills...then you need not hsve taken plan B....now that you hsve takenand urine test is negative that means nothing to worry. ..wait for one week for periods to come..it could be due to excess hormones in your body causing the delay of period withdrawal