This book describes how different diagnostic techniques may facilitate the prenatal identification of orofacial malformations. The role of standard two-dimensional ultrasound is documented and explained, but detailed attention is also paid to the use of three-dimensional (3D) ultrasound, including the novel 3D reslicing technique, and to the value of complementary magnetic resonance imaging. The malformations considered include cleft lip, cleft lip and palate, ocular malformations, abnormalities associated with fetal aneuploidy, and tumors. These conditions are depicted in numerous...