The second stage of laborina primiparawithout epidural anesthesia should last nomore than
A.1 hour
B.2 hours
C.3 hours
D.1.5 hours
正确答案：3 hours
The second stage of laborina primiparawithout epidural anesthesia should last nomore than
A.1 hour
B.2 hours
C.3 hours
D.1.5 hours
正确答案：3 hours