Conclusion The chorion and decidua have autophagic apoptotic tendency during termination of early pregnancy by mifepristone,together with disintegration of the reticular fibers.

• 结论米非司酮药物流产时，绒毛膜及蜕膜细胞均呈现一种自噬性凋亡倾向，同时释放大量松弛素，引起网状纤维溶解、断裂，蜕膜组织崩解、剥脱。