You can also view previously answered questions in the HSW Question Archive . It never went away. Everyone calls it a birthmark. Answer This is intended for information only and should not be taken as medical advice. Many babies have birthmarks when they are born.
Some birthmarks appear in the first few weeks of life.
These marks can be red, pink, brown, tan or blue. There is no way to prevent birthmarks. They are not inherited, and very little is known about how they occur. Most are benign and fade in early childhood. Some birthmarks, however, may be more dramatic and cause cosmetic problems, or even be precursors to cancer.