Hemorrhage into the decidua basalis, formed retroplacental hematoma, lead to the separation of the placenta.
出血进入蜕膜基底，形成胎盘后血肿，导致胎盘分离。
The placenta separation was categorized during the third stage labor with ultrasonographic imaging, and quantity of bleeding measured.
结果不同方式胎盘剥离的超声图像显示第三产程的时间和出血量有明显差异。
Methods All 135 patients had spontaneous delivery at term. The placenta separation was categorized during the third stage labor with ultrasonographic imaging, and quantity of bleeding measured.
方法对135例单胎自然分娩的胎盘剥离声像图进行分类，并采用称重法测量第三产程出血量。
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 Observation bleeding the umbilical cord blood to accelerate the placenta separation during the third stage of labor.
目的探讨第三产程中放脐血促进胎盘剥离娩出的临床效果。
The serum CD activity in patients of placenta premature separation, preeclampsia and intrauterine fetal death was distinctly higher than that in normal pregnancies ( P< 0.001).
子痫前期，胎盘早剥与宫内死胎患者血清CD活性显著高于正常孕妇，均P<0.01。
The serum CD activity in patients of placenta premature separation, preeclampsia and intrauterine fetal death was distinctly higher than that in normal pregnancies ( P< 0.001).
子痫前期，胎盘早剥与宫内死胎患者血清CD活性显著高于正常孕妇，均P<0.01。
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