Trisomy 21 fetal symptoms?
summary
Down's syndrome, also known as 21 trisomy syndrome, Down's syndrome, congenital folly, is a chromosomal disorder. The patient's 21st chromosome has one more pair. Such a patient will have obvious IQ backwardness, learning and life disorder, growth and development disorder or deformity, and special face. Because patients with this disease all over the world have similar facial features (wide face, small eyes and pick up), they are also known as "international people". The occurrence of this disease is closely related to the pregnant age of the mother.
Trisomy 21 fetal symptoms?
The higher the age of pregnant women, the greater the probability of the disease. In addition, there are cases in which the extra chromosomes come from the father. Down's syndrome is a kind of congenital syndrome, is the most common chromosomal variation, too young mothers or elderly mothers have a high probability of pregnant with Down's syndrome fetus.
Patients with Down's syndrome will have obvious special features, such as wide eye distance, small cleft eyes, oblique eyes, flat nose, tongue sticking out of the mouth, salivation, short stature, etc. And patients with Down syndrome are prone to heart disease, hypothyroidism, amblyopia, hearing loss and other diseases.
Patients with Down's syndrome will show signs of aging very early. Generally, after 27 years old, memory and cognitive ability will gradually decline, emotions will easily fluctuate and the affected side of the brain will degenerate. On the whole, patients are cheerful, optimistic, stubborn, frank, love music and so on.
matters needing attention
Male patients with Down's syndrome are not fertile in adulthood, while female patients may be fertile in adulthood. The patients with this disease have low immunity and are prone to various infections. After 30 years old, they have symptoms of Alzheimer's disease. According to the current lack of effective treatment, prenatal diagnosis is an effective measure to prevent the birth of children.
