Figure 12.

Sonographic findings at 13 weeks and 5 days of gestation in Case Mo5 with T18 mosaicism and a negative CRITO-NIPT result. (a) Mid-sagittal section of the fetal head. Nuchal translucency (NT) of 8.3 mm, a small nasal bone, and micrognathia are demonstrated. (b) Severe tricuspid regurgitation blood flow. (c) 3D reconstructed image of fetal face and upper extremities. Micrognathia, a low-set ear, and wrist contracture are visualized. (d) Reversed end-diastolic flow of ductus venosus. (e) 4D cardiosonographic image. Cardiomegaly with outflow tract abnormality is demonstrated. Intrauterine fetal demise was confirmed thereafter.