For ultrasound sonographers, physician sonologists and directors or supervisors of those obtaining NT measurements:
The information provided below is to help laboratories understand their role in this program.
We invite laboratories who currently perform first trimester risk assessment for fetal aneuploidy to join our program. First trimester
screening for aneuploidies includes a Nuchal Translucency scan plus a first trimester serum sample to measure PAPP-A and either intact or
free beta hCG.
Each participating laboratory plays a crucial role in the monitoring process by providing sonographer-specific NT measurement data to NTQR.
These data are used for on-going epidemiologic monitoring to ensure that the NT measurements submitted by providers to laboratories are