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Maternal Serum Screening

Down Syndrome, Trisomy 18 and Neural Tube Defects



Nuchal Translucency (NT)

Slide 9

March 2011

Once sonographers are approved a code is assigned. This code is used to monitor sonographers' quality performance over time. The laboratory will provide sonographers with a quality report based on a minimum of 50 data points to determine if sonagraphers measurements continue to be within the target ranges.

Nuchal Translucency (NT)

 


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