Synonyms for piece of information at Synonyms.net with free online thesaurus, antonyms, definitions and translations.
Types of Birthmark most Likely to Appear after Birth. Red-colored birthmarks are the most likely to appear after birth. Black, brown, and other dark-pigmented marks that are not related to broken blood vessels are typically present during gestation. Birthmarks are distinct from cancer growths.
Some birthmarks are from extra color (pigment) in the skin. Other birthmarks are blood vessels that are bunched together or don't grow normally. It's not clear why some children have birthmarks and others don't.