See pediatrician: Some girls do not get their period until they are 15. We don't usually worry until they are 16 and have not yet gotten their period. However - you mention that she runs a lot. If she is underweight or has a very low body fat percentage, this may be the cause of her not having her period yet. I would see her pediatrician to further discuss this.
Answered 5/16/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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