此为一胎龄31周的早产儿生后2周，呈蛙腿式姿势。

Frogleg position in a preterm infant of 31 weeks gestation, 2 weeks after birth.

youdao

此为一胎龄31周的早产儿生后2周，呈蛙腿式姿势。

Frogleg position in a preterm infant of 31 weeks gestation, 2 weeks after birth.

youdao