目的观察产妇在活跃期至第二产程持续电子胎心监护降低新生儿窒息率的效果。

Objective to probe into the differences between water delivery and traditional delivery in view of the active phase and the duration of second labor stage.

youdao

目的观察产妇在活跃期至第二产程持续电子胎心监护降低新生儿窒息率的效果。

Objective to probe into the differences between water delivery and traditional delivery in view of the active phase and the duration of second labor stage.

youdao