Birthmarks are a common skin condition that appear at birth or shortly thereafter. They can be caused by a variety of factors, including genetics, blood vessel development, and melanin production. There are many different types of birthmarks, and some may fade on their own over time.

Birthmarks are a common skin condition that appear at birth or shortly thereafter. They can be caused by a variety of factors, including genetics, blood vessel development, and melanin production. There are many different types of birthmarks, and some may fade on their own over time.