目的阐明影响产后出血量的相关因素，提高围产期的保健质量。
Objective to elucidate the risk factors associated with the amount of postpartum bleeding for improving the quality of perinatal care.
观察组胎儿娩出时间短、软产道损伤例数少、产后出血量少及住院天数短。
The observation group fetal childbirth time is short, the soft the birth canal, postpartum blood loss was less damage number fewer days in hospital and short.
方法对241例孕妇在孕期及产后进行问卷式调查，分娩时测量产后出血量。
Methods 241 pregnant women were surveyed prospectively by questionnaire before and after labor and the amount of bleeding during labor was measured.
结论：应用安定及654-2，缩短引产时间的同时，并不增加产后出血量。
Conclusion: the application of diazepam and 654-2 could shorten the duration of induced labor, and would not increase the volume of postpartum hemorrhage.
导乐式分娩70例与对照组70例经对比分析，得出导乐分娩可使产程缩短，产后出血量减少。
Laboring by Doula mode for 70 cases and contracting with 70 cases. The method of Doula mode can shorten birth process and decrease postpartum hemorrhage and improve emotional instability.
对手术时间、术中失血量、产后出血情况、产褥感染率、术后住院天数等指标进行比较。
The operation time, blood loss, postpartum hemorrhage, peuparium infection and hospitalization days were compared.
精确测量产后2小时出血量；按新生儿性别分组进行比较。
The amount of postpartum bleeding in first 2 hours were measured and compared between the two groups.
结论：药物流产后服用祛瘀缩宫汤，可缩短出血时间，减少出血量。
Conclusion: Administering Quyu Suogong Tang after abortion by drugs can shorten bleeding time and reduce bleeding volume.
记录患者的一般状况，可能引发产后出血的出血原因，出血量，出血时间、产后出血的治疗方式进行回顾性分析。
Record the general condition of patients, may lead to the risk factors of postpartum hemorrhage, bleeding, blood loss, bleeding time, treatment of postpartum hemorrhage were analyzed retrospectively.
方法：对4816例分娩的初产妇，采用弯盘、量杯收集测量产后2小时内及术中出血量。
Methods:A total of 4816 primiparas with vaginal delivery or cesarean section were studied.
方法：对4816例分娩的初产妇，采用弯盘、量杯收集测量产后2小时内及术中出血量。
Methods:A total of 4816 primiparas with vaginal delivery or cesarean section were studied.
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