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Café-au-lait spots

Birthmarks are coloured marks that are visible on the skin. They're often present at birth or develop soon afterwards.
Treating birthmarks
Most birthmarks are harmless and some disappear without any treatment. Some types of birthmark may need treatment for medical or cosmetic reasons, however.
Complications associated with birthmarks
Most birthmarks are harmless. However, in rare cases, complications can occur that need to be treated.