Page 14 - SONO 260 Chapter 25 The Fetal Face and Neck

Nuchal Fold Measurement & Nuchal
Translucency Measurement
▪ Nuchal thickening, edema, or redundant skin in the back of the neck is a common finding during the second trimester in fetuses with Down syndrome.
– The area posterior to the neck can be measured starting in the axial plane at the level of the cavum septum pellucidum and angling coronally to include the cerebellum and occipital bone.
– The calipers are placed from the outer edge of the occipital bone to the outer edge of the skin.