Could be a birthmark: If it has been there for a while, it could be a type of birthmark called a capillary hemangioma. It could also be diaper rash, yeast infection, other type pf birthmark. I would recommend you see your pediatrician and ask him/her at his next well baby visit.
Answered 9/20/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
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