Tag Archives: NT-NB scan

NT-NB scan

Key Points What is the NT-NB Scan? The NT-NB scan is a specialized ultrasound performed between 11 and 13 weeks of pregnancy to screen for chromosomal abnormalities, such as Down syndrome (Trisomy 21), Edwards syndrome (Trisomy 18), and Patau syndrome (Trisomy 13), as well as some structural anomalies. It measures the nuchal translucency (NT), a […]