What is the reason for birthmarks in the fetus?

Many parents will find that their children have birthmarks after they are born. In fact, some birthmarks will disappear a few days after the child is born, but some may always remain with the child. It depends on the type of birthmark. Birthmarks can be divided into red birthmarks and blue birthmarks, and there are many reasons for their occurrence, such as abnormal tissue differentiation, abnormal secretion of estrogen and androgen, nerve deficiency, etc. These are the majority of the causes of birthmarks. If parents are worried that birthmarks will affect their children and want to treat them, it is best to consult a doctor and conduct a detailed examination first.

Causes of birthmarks

1. During embryonic development, especially in the early stage of vascular tissue differentiation, a small range of misconfiguration of the controlling gene segment may lead to abnormal tissue differentiation in specific areas, which may develop into birthmarks.

2. It has been observed that girls are more likely to have birthmarks than boys. Detection in hemangioma tissue revealed increased levels of estradiol, which is a type of estrogen in the human body, indicating that it is related to estrogen levels.

3. The reason why babies have birthmarks is due to the lack of nerves that control the blood vessels in the lesion site, which causes the capillaries to dilate and become congested. Initially, it appears as red or pink patches, which may deepen with age, becoming bright red and purple, and may thicken into nodular shapes.

Birthmarks of different colors require targeted treatment

1. Treatment of red birthmark - port-wine stain.

The semiconductor composite narrow spectrum photodynamic therapy device, under the control of a microcomputer, uses a semiconductor narrow spectrum light source with a wavelength of 400nm-650nm. According to different photosensitizers, different spectral wavelengths are selected within the wavelength range of its light source. It selectively penetrates the skin and, without damaging normal blood vessels and skin tissue, takes advantage of the tissue structure of the port-wine stain located in the superficial dermis of the skin to directly act on the diseased tissue, causing the abnormal capillaries growing in the port-wine stain to instantly disintegrate, thereby achieving the purpose of quickly treating the disease.

2. Treatment of blue birthmark - Nevus of Ota.

The new generation of alexandrite laser technology is an emerging technology for the treatment of pigmentary diseases and is an international new generation of high-power laser technology. It mainly destroys melanin pigments selectively through photoacoustic effect and mechanical effect. When the skin pigment lesions absorb laser energy, the abnormal amount of melanin in the skin will be suppressed, thereby achieving the purpose of effectively removing pigments.