What causes Down syndrome

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 diagnosed, the following on my experience to tell you about this reason.

What causes Down syndrome

First, there is a history of virus infection before and after pregnancy, which may lead to fetal congenital stupidity or congenital malformation. For example, it is caused by 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: pregnant women who have had habitual abortion, premature delivery and stillbirth may have chromosomal abnormalities.

matters needing attention

Avoid going to crowded markets, do a good job in self-health during pregnancy, do a good job in pregnancy examination, and contact the doctor in time for the safest treatment.