第三产程

约85%的产妇第三产程均在10min以内结束，平均694min。

In 85 % of the puerperas the third stage of labor takes about 10 minutes ( average 6.94 minutes ) .

刺激咽喉反射在第三产程中临床应用效果观察

The clinical effect and nursing care of stimulating pharyngeal reflex in the third stage of labor

第三产程超过10min者，阴道出血量显著增加（P<001），发生各种并发症的危险性也相应增加。

The amount of postpartum hemorrhage and the risk of the patient increased prominently if the time of stage of labor was longer than 10 minutes ( P < 0.01 ) .

结论：与产后出血相关的高危因素主要有剖宫产、多次人流及分娩史、第三产程时间。

Conclusion The major factor of postpartum hemorrhage is Uterine atony .

第三产程中放脐血促进胎盘剥离娩出的临床观察

The clinical observation bleeding the umbilical cord blood to accelerate the placenta separation

不同途径注射催产素对第三产程的影响

Study on the effect of third stage of labor through different channels of injection of oxytocin

人流史、第三产程延长增加晚期产后出血的发生率（P<0.01）。

History of artificial abortion and prolongation of placental stage also can increase the incidence of the disease ( P < 0.01 ) .

目的在第三产程中应用动态超声图像观察胎盘剥离方式，及时处理产后出血。

Objective To observe the mode of placenta separation by dynamic ultrasonographic imaging during the third stage of labor and help manage postpartum hemorrhage .

目的探讨第三产程中胎盘剥离的生理过程和适宜时间。

Objective To investigate the physiologic course of third stage of labor , and to judge the optimal time of natural placental separation permitted .

说明采集胎盘血不仅提供了宝贵的血源，而且减少了产后出血量，缩短了第三产程。

It suggests that placental blood collection not only provide vital blood sources , but also decrease postpartum blood lossing and shorten the course of the third stage of labor .

第三产程延长致产后出血发生率为40.00%（22/55），与对照组16.22%（36/220）相比有显著差异。

The hemorrhage rate caused by the extension of the third stage of labor was 40.00 % ( 22 / 55 ), while the control group 16.22 % ( 36 / 220 ) .

结果流产史、分娩次数、胎儿体重、分娩方式、第三产程时间及妊娠并发症是引起产后出血的高危因素；

Results The risk factors of postpartum hemorrhage included abortion history , the number of parturition , fetus weight , delivery manner , the time of third stage of labor and complication of pregnancy .