A member asked:

My five year old daughter a knot in her left side of her chest where her breast will be she said it hurts what could this be it's about quarter size.

A doctor has provided 1 answer

Not unusual: It is somewhat difficult to say without seeing it but children can have slight breast development, sometimes only one side. This is called premature thelarchy. There should not be any other signs of pubertal development such as hair in arm pit of vaginal area. May want to consult with your doctor to be sure.

Answered 2/7/2014

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Thank

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