Figure 2:
(A) Axial ultrasonographic image at GD 76 illustrating measurements of Interorbital Distance (IOD) (yellow dotted line), Outer Orbital Distance (OOD) (red dotted line) and Biparietal diameter (BPD) (blue dotted line). (B) Ultrasonographic image depicting measurement of fetal Orbital Diameter. (C-D) Lateral ultrasonographic image at GD 76 illustrating measurements of the humeral length (C) and femoral length (D).