As a pediatric dermatologist with extensive experience in neonatal skin conditions, I can provide you with an informed explanation regarding "stork bites" on babies.

Stork bites, also known as nevus simplex or salmon patches, are common, benign vascular malformations that are often present at birth or shortly after. They appear as flat, pink or red marks on the skin and are usually found on the face, particularly the forehead, eyelids, and the back of the neck (nape). The cause of stork bites is not entirely understood, but they are thought to be related to the natural development of blood vessels (vasculature) during fetal development.

During the embryonic stage, blood vessels form rapidly to supply the growing fetus with the necessary nutrients and oxygen. It is believed that stork bites may result from the dilation of capillaries that occurs during this process. They are often more pronounced in the first few weeks of life and typically fade over time without any treatment. In most cases, stork bites disappear completely by the time a child is 2 to 3 years old, although in some individuals, they may persist into adulthood but become less noticeable.

It's important to note that stork bites are harmless and do not require any medical intervention. However, if a vascular birthmark on a baby's skin changes in color, size, or texture, or if it is accompanied by other symptoms, it is advisable to consult a pediatrician or a dermatologist to rule out other conditions.

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It's important to understand that birthmarks are extremely common. They can be inherited, but often, there's no known cause. In the case of a stork bite, the birthmark develops when blood vessels underneath the skin become stretched or dilated. Salmon or pink patches appear as a result.read more >>