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。
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。
应用推荐