NT Sonogram
Recommendations
The nuchal translucency scan (also called an NT scan) uses ultrasound to assess your developing baby’s risk of having Down Syndrome (DS-trisomy 21), congenital heart problems, and other chromosomal abnormalities.
Test purpose
Other conditions may include: Patau (trisomy 13) and Edwards (trisomy 18) syndromes. These are rare and often fatal chromosomal abnormalities. The test is typically performed alongside the First Trimester Screening blood test.