stage of labor

• 产程

stage of labor的用法和样例：

例句

1. In women who have given birth before, the stages of labor last longer.
   经产妇的分娩产程持续较长。
2. The course of labor was quite quick, but I bled a lot soon after the baby was born.
   产程比较快，但小孩出生后我出了很多血。