What is a congenital mole?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
A congenital mole is a skin growth that is present at birth. About 1% of newborns have congenital moles. Some congenital moles are small, round, and dark or skin-colored, so they resemble common moles. Other congenital moles have a blue-gray appearance. A congenital mole that measures 8 inches or more (called a giant congenital nevus) may increase the risk for melanoma, a form of skin cancer. Have a dermatologist examine a congenital mole or any other suspicious skin growth.

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