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Superficial view of the facial features of a cyclopic HPE fetus and age-matched control. (A) Macroscopic view of the 28-week T18-like aberrant Ch18 (aCh18) fetus with a fused orbit, missing nasal structure, micrognathic jaw and well-developed external auditory structures. (B) 3D reconstruction of CT slices of age-matched control fetus showing appropriate development of superficial face at 29 weeks of gestation.
