Uterine hypocontractility should be augmented after both the maternal pelvis and fetal presentation have been assessed.
在对母体骨盆和胎儿先露都进行评估后，低张性子宫收缩应加以强化。
2
Conclusions When the pelvis was normal, fetal macrosomia, abnormal fetal position and abnormal uterine were main causes leading to abnormal second stage of labor.
结论在骨盆正常情况下，新生儿过大、胎方位异常及产力异常是造成第二产程异常的主要原因。
3
Occiput anterior is usually the easiest position for the fetal head to traverse the maternal pelvis.