方法：对298例病理状态下新生儿，按病情严重程度、孕周、出生体重、胎龄与体重的关系的不同进行分组。

Methods: 298 cases of newborns with abnormal status were grouped according to the illness severity, birth weight, the weeks of pregnant and the relationship between gestational age and birth weight.

youdao

方法：对298例病理状态下新生儿，按病情严重程度、孕周、出生体重、胎龄与体重的关系的不同进行分组。

Methods: 298 cases of newborns with abnormal status were grouped according to the illness severity, birth weight, the weeks of pregnant and the relationship between gestational age and birth weight.

youdao