Why is there a birthmark behind the ass

summary

When my son was born, there was a black thing on his buttock. After asking the doctor, the doctor said that it was a birthmark, which many children would have when they were born. He said that when the child grew up, the birthmark would gradually fade, but if he grew up, he would come to the hospital for surgery. Let's share why there are birthmarks on the back of the buttocks.

Why is there a birthmark behind the ass

Reason 1: an important factor in the formation of birthmarks is the environment. Environmental changes and pollution are easy to make people's genes mutate.

The second reason: environmental pollution makes people's living conditions worse. Pesticides and insecticides on vegetables, growth hormone and contraceptives in meat, etc.

The third reason is that gene mutation occurs in the embryo which is still in gestation, resulting in the appearance of various birthmarks.

matters needing attention

Birthmark can be divided into pigmented birthmark and vascular birthmark. Pigmented birthmark refers to the increase of pigment deposition in epidermis or dermis, while vascular birthmark refers to the expansion and deformity of dermis or subcutaneous blood vessels.