Quality control of an image-scoring method for nuchal translucency ultrasonography.

OBJECTIVE The objective of the study was to describe a new image-scoring method (NISM) for the measurement of nuchal translucency and crown-rump length on ultrasound scans and to establish interreviewer reliability. STUDY DESIGN This NISM was based on 8 criteria on a scale of 4 levels (1-4) established on clearly defined ultrasound reference marks. Ten… CONTINUE READING