Cystic hygroma and lymphangiectasia in 12 week fetus with monosomy X

(Image A) Axial view through the fetal head showing a septated cystic hygroma (arrows) in a fetus with monosomy X.
(Image B) Midsagittal view of the same fetus demonstrating the entire CRL (53 mm, measurement not shown), with skin thickening of the nuchal area (up down arrow) extending to the anterior abdominal wall (two arrows).
(Image C) Midsagittal view of the same fetus, demonstrating the 9 mm measurement of the nuchal lucency (between "+" calipers).
(Image D) Axial scan through the fetal abdomen, showing circumferential skin thickening (dashed arrow).