Origin of birthmark.

Best answer: When the embryo is conceived, the gene chain related to the formation of birthmark will be copied to the embryo, resulting in the appearance of birthmark. In recent years, due to environmental, 空 gas and water pollution, or failing to use drugs according to doctor’s advice, it may lead to gene mutation, and may also cause fetal birthmarks. Births can generally be divided into pigment type and vascular type, and common pigment types include nevus of Ota, congenital pigmented nevus, coffee spot, etc. Type I blood vessels include nevus flammeus, strawberry hemangioma and so on.

When the embryo is conceived, the related gene chains that form the birthmark will be copied to the embryo, which will lead to the appearance of the birthmark. In recent years, due to environmental, 空 gas and water pollution, or failing to use drugs according to doctor’s advice, it may lead to gene mutation, and may also cause fetal birthmarks. Births can generally be divided into pigment type and vascular type, and common pigment types include nevus of Ota, congenital pigmented nevus, coffee spot, etc. Type I blood vessels include nevus flammeus, strawberry hemangioma and so on.

The incidence of neonatal birthmarks is about 10%, which can be said to be very common. Most birthmarks only affect the appearance and do not need special treatment. However, some birthmarks may be combined with abnormal body organs, and even have the possibility of malignant changes, which must be actively treated. For example, some sponge-like hemangioma proliferates too fast, which will cause limb deformity and dysfunction. Even when the hemangioma expands too fast, it will form tissue necrosis and excessively consume platelets, resulting in low coagulation function and bleeding. Some hairy hide-like nevus may cause malignant melanoma to become cancerous in the future, and the cancer cells will metastasize and lead to death.

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