The evaluation of the fetal face is an important part of every ultrasound examination since detailed facial examination can provide many information alerting the examiner about possible associated anomalies. Face and the brain have the same embryonic origin. By using 2 and 3D ultrasound techniques, it is possible to obtain clear images of different fetal face defects. Incorporation of the 4D ultrasonography made it possible to examine fetal behavior including fetal face movements. In that way using the ultrasound in the examination of the fetal face provides many new information not just about the morphology but also about neurological development and function of the fetal face.
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