Patient's question:
Down syndrome screening notification of high risk for 21-trisomy requires amniocentesis.Doctor's answer:
Analysis of the condition: Hello, generally speaking, the optimal time for amniocentesis is between 18-22 weeks of pregnancy.Suggestions: It certainly has risks, but the overall risk rate, specifically the risk of causing fetal miscarriage, is generally no more than 1%. Moreover, in large and medium-sized hospitals, the principle is that amniocentesis must be performed under ultrasound guidance. It causes minimal damage.