PMC6332828_01
Ultrasonographic findings at 20 wk, 5 d of gestation. A, An abdominal circumference smaller by 4 wk of gestational age. B, A complete atrioventricular canal defect (asterisk). C, Micrognathia (arrow). D, Placenta (open arrow)
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A fetal ultrasound performed at our hospital indicated micrognathia, a complete atrioventricular canal defect, and small-for-gestational-age; biometric data on the head and abdomen were discordant with the age of gestation by 2 and 4 weeks, respectively (Figure 1).