What causes Tang Bao

summary

Down's syndrome screening is a test for Down's syndrome. Prenatal screening of Down's syndrome is not equal to prenatal diagnosis. Positive screening results do not mean that the fetus must be congenital fool. Usually need to do amniotic fluid chromosome or umbilical cord chromosome, examination has been confirmed, let's share.

What causes Tang Bao

First, there is a history of virus infection before and after pregnancy, which may lead to fetal congenital stupidity or congenital malformation, for example, influenza infection during pregnancy, pregnancy after drinking, and excessive use of hormone drugs by pregnant women

Second: one of the couples is older, sperm or eggs are prone to aging or chromosomal aberration, which makes the fetus more likely to suffer from Down's syndrome

Third: after habitual abortion, premature delivery, stillbirth phenomenon of pregnant women, the fetus may be chromosomal abnormalities

matters needing attention

In general, Down's syndrome is caused by abnormal color body. In order to avoid the birth of a Down's syndrome baby, it is very necessary to do a five item eugenics test before pregnancy. This test can eliminate the negative genetic diseases of both husband and wife, and establish a defense line for many diseases or fetal malformations in advance, As far as possible to ensure that every parent can have a healthy and lively baby.