Histopathological study showed that there was decidua with necrotic cells in the abstracted tissue.A lot of white blood cells could be seen in decidua and endometrium.

• 组织病理学显示：刮出内膜组织中都含有残留蜕膜组织，后者多数蜕膜细胞变性坏死，蜕膜和内膜都有大量炎性细胞浸润，并具有不同步发育的腺体和间质。