How does pregnancy cause animal skin mole

How does pregnancy cause animal skin mole

Animal skin nevus is a congenital disease of the human body. Generally, a black mole will appear on the human skin. The area of ​​this mole is very large, and black hair will easily grow on the mole, just like animal skin. Therefore, it is called animal skin nevus. It is closely related to the congenital heredity of the human body. The appearance of animal skin nevus during pregnancy may be caused by the pollution of the living environment.

How can pregnancy cause a nevus?

Animal skin nevus is a congenital skin disease, a giant congenital melanocytic nevus. It is named because the pigmented nevus is large in area, has coarse black hair, and is shaped like animal skin. It has the potential to become malignant.

The internal factors refer to: congenital genetic factors

1. Animal skin nevus is a type of birthmark, and a major factor that affects its formation is genetic genes. A gene is the basic unit of genetic material that is transmitted between generations. It passes genetic information to the next generation through replication. For example, coffee spots are birthmarks caused by genetic inheritance.

2. Dominant and recessive inheritance in genetics can cause some people to have birthmarks due to genetic inheritance while others do not. For patients who do not have birthmarks due to recessive inheritance, the next generation may still have birthmarks because the genetic gene is carried in their genes but it is simply not expressed.

How does pregnancy cause animal skin nevus? These two factors are the main causes of animal skin nevus during pregnancy

How does pregnancy cause animal skin nevus: environmental pollution during pregnancy

In addition to internal factors, there are also external factors that cause nevus during pregnancy, which is caused by environmental pollution. The probability of this happening is almost as high as heredity.

External factors refer to: environmental pollution during pregnancy

1. Environmental pollution is another factor related to the formation of animal skin nevus. Ultimately, it is still in the genes, but it is not the replication of genes, but the mutation.

2. Environmental pollution has caused people’s living space to deteriorate, with large amounts of pesticides and insecticides on vegetables, as well as growth hormones and contraceptives in meat products such as chicken and fish.

3. They will cause genetic mutations in the embryo still in the womb, resulting in the appearance of various birthmarks.

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