Why Does My Baby Have a Red Birthmark on the Lower Belly of His Left Leg?

This is a congenital condition, also known as a capillary hemangioma or vascular nevus. It can be observed for a period of time; some children may naturally regress. If it has not regressed after six months, consider hospital treatment with laser cryotherapy. This usually requires several sessions of laser cryotherapy, with some hospitals opting for medication treatment methods.
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