这有可能是两种情况造成的：一是宫口不能完全张开，二是宝宝的头部不能降到产道。医生会仔细监控每个分娩阶段的时间，一旦发现产妇所用的时间超过了一般正常水平，会诊断为难产，并且迅速地处理：借助产钳，或者进行剖腹产。
对产程延长产程停滞处理的体会(经验方法) 关键词】产程延长；产程停滞；体会 [gap=485]Key words】Labor extension; Labor stagnation; Experience
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结论第二产程延长导致产妇病率明显增高。
Conclusion a prolonged second stage resulted in a higher rate of maternal morbidity.
剖宫产出血的主要原因是宫缩乏力、胎盘因素、产程延长及切口撕裂等。
Bleeding of cesarean section is usually due to uterus atone, placental factors, prolonged labor and lacerated section.
硬膜外阵痛可能使产程延长，第二产程进展困难，因为孕妇身体的下半部分失去了感觉。
Epidural pain relief may also slow labor and may make the pushing stage longer and more difficult because women lose sensation in their lower body.
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