Figure 19c. Unicornuate uterus. (a) Transverse and (b) sagittal two-dimensional endovaginal US images demonstrate uterus without gross morphologic anomaly. (c) Three-dimensional reconstructed transverse oblique US image shows an abnormal lenticular shape of endometrial cavity (long arrow) with asymmetric tapering at the cornua (short arrow). (Image courtesy of Anna Lev-Toaff, Thomas Jefferson University, Philadelphia, Pa.)