Nuchal + Screening

Nuchal+ 1st trimester ultrasound only test combines up to 4 scan markers, nuchal translucency (NT) at 11-13 weeks plus nasal bone (NB), ductus venosus (DV) determination and tricuspid regurgitation (TR) to calculate a risk for a chromosomal abnormality.

A risk of less than 1 in 300 is classed as a screen negative result.

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