The full name of non-invasive DNA is non-invasive DNA prenatal testing, which is a new technology to discover the safety of mothers and prevent various accidents by collecting their blood. The accuracy of non-invasive DNA prenatal detection technology for three kinds of chromosomal aneuploidy diseases (Down's syndrome, Edward's syndrome, Patau's syndrome) in fetuses over 12 weeks pregnant is close to 100%, and the false positive rate is 0.05%. Only by preventing various diseases can a healthy baby be born. It doesn't take long to do non-invasive NDA, and you don't need to make an appointment in advance.

Applicable population of non-invasive DNA

1, elderly (age ≥35), unwilling to choose pregnant women with invasive prenatal diagnosis;

2. Pregnant women who are unwilling to choose invasive prenatal diagnosis because of high risk of Tang screening results or changes in single index values;

3. Pregnant women who are unwilling to choose invasive prenatal diagnosis because of increased fetal nt value or other anatomical abnormalities during pregnancy;

4. Pregnant women who are not suitable for invasive prenatal diagnosis, such as virus carriers, placenta previa, low placenta, oligohydramnios, RH blood group negative, abortion history, threatened abortion or baby;

5. Pregnant women who fail to culture amniocentesis cells and are unwilling to accept or can no longer make invasive prenatal diagnosis; We hope to exclude fetal 2 1 trisomy, 18 trisomy and 13 trisomy syndrome, and voluntarily choose pregnant women for non-invasive prenatal testing. 6. Pregnant women with positive serum screening and pregnant women with psychological disorders in prenatal diagnosis.