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 Revealed
What Test Confirms Trisomy 21 (Down Syndrome)?

Learn which diagnostic test confirms trisomy 21, including karyotype analysis, CVS, and amniocentesis.