What effect does the shape and position of baby birthmark have on its health?

I can tell you that the shape and location of a baby's birthmark usually have no direct impact on its health. Birthmark is a pigmentation or vasodilation area on the skin formed during fetal development. They can appear anywhere, including face, neck, trunk, limbs and so on.

Most birthmarks are benign and will not cause any problems to the baby's health. However, some birthmarks may be related to other diseases or syndromes, such as congenital heart disease and neurofibromatosis. These conditions require further medical evaluation and treatment.

If the baby's birthmark appears in one of the following situations, it is recommended to consult a professional doctor in time:

1. The color, shape and size of the birthmark have changed;

2. Symptoms such as itching, pain and exudation appear in the birthmark;

3. The birthmark affects the baby's visual, auditory or other sensory functions;

4. Birthmark is located in special parts, such as eyes, mouth and nasal cavity.

In short, most baby birthmarks are harmless and do not need special treatment. However, if you have any questions or concerns about your baby's birthmark, it is recommended to consult a professional doctor for more detailed evaluation and suggestions.