Confirming Down Syndrome
What Tests Confirm Trisomy 21 (Down Syndrome) During Pregnancy?

Learn about the key prenatal tests—NIPT, CVS, and amniocentesis—that confirm trisomy 21 (Down syndrome) with high accuracy.

Trisomy 21 Diagnosis
How Is Trisomy 21 Confirmed? Prenatal and Postnatal Testing Explained

Learn how trisomy 21 (Down syndrome) is confirmed through prenatal tests like amniocentesis and CVS, and postnatal karyotype analysis.