The birthmarks are not associated with any other medical symptoms or illnesses and do not cause any pain. Their color is most intense at the age of one year and gradually fades afterward. It is barely noticeable after the age of six years. Causes of Mongolian spots on babies Slate gray ...
Pigmented macules in the labial skin on either side of a cleft lip have been described which show evidence of dermal melanocytes upon histopathological examination. As these lesions are analogous to Mongolian spots, they have been termed cleft lip Mongolian spot. [40] Vascular birthmarks Widespread...