Babies born with birthmarks are usually caused by congenital developmental abnormalities.
The specific cause of birthmarks in infants is still unclear, mostly related to a large number of pigmentation, vascular development deformity, excessive aggregation of blood vessels, which is caused by congenital developmental anomalies. Birthmarks are mostly found on the back and buttocks of children, head and face, limbs are rare, the color is diverse, different forms, can be yellow, cyan, black, red, etc., generally no need for treatment.
Infants with birthmarks need to do a good job of skin protection, such as avoiding sun exposure, avoid excessive friction stimulation of the skin. If the birthmark is abnormally enlarged, itchy and uncomfortable, ulcerated and malignant, or obvious birthmarks on the head and face affecting daily life, it is necessary to consult a doctor for treatment.