The following values are general reference points for NT scans conducted within the 11–13 week window: Measurement Interpretation Risk of Down syndrome is considered very low. 1.3 – 2.5 mm Standard normal range for most babies. 2.5 – 3.0 mm
The NT measurement is recorded in millimeters (mm) and is compared to what is average for a baby of the same gestational age.
A dating scan combined with a Nuchal Translucency (NT) measurement is a routine screening performed between of pregnancy. It identifies the risk for certain chromosomal conditions, such as Down syndrome, by measuring the fluid-filled space at the back of the baby's neck . Understanding the NT Measurement Dating Scan Nt Measurement
: At 11 weeks, an NT up to 2 mm is typical; by 13 weeks and 6 days, it can be up to 2.8 mm. 📈 NT Measurement Guide
May indicate a slightly increased risk in some cases, often requiring plotting against the baby's length. The following values are general reference points for
High risk; further diagnostic testing is usually recommended.
: A measurement under 3.0–3.5 mm is generally considered within the normal range. A dating scan combined with a Nuchal Translucency
Very high risk for chromosomal abnormalities and other birth defects. What a "Helpful Report" Includes