The reason for the formation of birthmarks has not been accurately stated in modern science. Generally, there are several main reasons: one is the influence of genes. This factor is generally considered to be an important factor in the formation of birthmarks, as well as living environment A malnourished diet, due to a person’s bad lifestyle during pregnancy, such as irregular diet and poor living habits, may aggravate the body to a certain extent and cause birthmarks in the fetus.
In addition, there is an external environmental factor. Now that the pollution is serious, people will react in different ways after being stimulated by the external pollution environment, and sometimes birthmarks will appear.
