The findings are bilateral short femurs and endorotation of both feet.There is also discrete facial dysmorphism with micrognathia and flat forehead.

（超声）检查所见为双短小和双脚内旋，同时有面部小颌和平畸形。

So this fetus presented seeral signs of trisomy 21, including the hypoplasia of the nasal bone, hypodontia, micrognathia, and hypospadias.

这样，本例胎儿显示21三体的若干征：鼻发育不全、牙发育不全、小颌和尿道下裂。