Hemorrhage into the decidua basalis, formed retroplacental hematoma, lead to the separation of the placenta.

一)主要病理变化:底蜕膜出血，形成血肿，使胎盘自附着处剥离。

Thus adequate proportion of estrogen and progesterone is important for the decidualization.

合适的雌比例对蜕膜化的维是必要的。

Objective:Through our clinical observation,we want to find out a good effective method on deciduas residual of medical abortion.

目的通过察,研究药物流产后蜕膜残留的有效治疗方法。

Objective To establish an in vitro model of human decidual cell culture for screening drugs and studying antifertility drugs.

目的建立分散的人蜕膜质细胞培养模型以用于抗生育药物的筛选研究。