What is the cause of Down syndrome?

summary

Down's syndrome is mostly congenital. A small number of patients are caused by virus infection. Congenital Down's syndrome can be caused by heredity or chromosomal abnormality. If there is one more chromosome, Down's syndrome patients will have a special face, obvious mental retardation, dysgenesis and even deformity. Older mothers will have the phenomenon of aging eggs, This is also the main cause of chromosome non separation, so the elderly women must do Tang screening.

What is the cause of Down syndrome?

First: infants with Down's syndrome may have some symptoms of dementia, such as wide eye distance and low nasal root. There are also some patients will appear lateral oblique, small ear symptoms, often accompanied by drooling, the patient's bone age is often relatively backward.

Second: children often have drowsiness and feeding difficulties. Their IQ is below 50, and their movement and sexual development are slower than that of normal people. Men with Down's syndrome are often infertile, while women may be fertile.

Third: children with Down's syndrome are often accompanied by congenital heart disease, deformity, and weak immunity, so they are often vulnerable to infection. Generally, after the age of 30, they may have Alzheimer's disease earlier. Some children will be accompanied by cataract and so on.

matters needing attention

So if the pregnant mother found down's syndrome at the time of diagnosis, it is necessary to terminate the pregnancy in time. This is the best way to prevent Down syndrome. Especially for women with Down's syndrome and older women.