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A 16-year-old female asked:

My period hasn't started in 13 days. i'm not pregnant, but i have really bad cramps and no blood. why?

1 doctor answer1 doctor weighed in
Dr. Tracie Leonhardt
Emergency Medicine 29 years experience
Period: Any hormonal change or imbalance can cause a delay in your period. The most common cause would be stress that can lead to a reduction in a hormone called progesterone. The cramping is most likely due to the additional build up of the lining in your uterus. If your period does not come by your second month and you definitely are not pregnant, than follow with your GYN.

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Last updated Jun 27, 2017

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