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.
产后出血随人工流产次数的增加和产程延长而增加；手术产、妊娠高血压综合征亦可使产后出血率增高。
The more often the artificial abortions have happened and the longer the labor course lasts the more the postpartum hemorrhage will be.
结论经产妇的产程明显比初产妇短，但随着本次分娩距前次分娩时间的延长，产程也逐渐延长。
Conclusion The time of stages of labor of multipara is shorter obviously than that of primipara.
结论经产妇的产程明显比初产妇短，但随着本次分娩距前次分娩时间的延长，产程也逐渐延长。
Conclusion The time of stages of labor of multipara is shorter obviously than that of primipara.
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