英语语法分析

Hemorrhage into the decidua basalis formed retroplacental hematoma.

底蜕膜在出血形成胎盘后血肿。

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 placental decidua cells and villi ceil degenerated with necrosis.

病理检查胎盘蜕膜细胞、绒毛膜滋养层细胞变性坏死。