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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Delay In Menstruation Other Than Pregnancy?

I'm sexually active but extremely careful and only have one sexual partner. However, I took plan B out of what I consider unnecessary paranoia and haven't had a period since I took it in november. I've taken 3 pregnancy tests and they're all negative. What could be causing the absence of periods?
Mon, 1 Sep 2014
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What Causes Delay In Menstruation Other Than Pregnancy?