植入性胎盘临床并不常见,是由于蜕膜层发育不良或完全缺如,而形成胎盘绒毛直接与子宫肌肉层接触,可以引起大量出血,造成严重后果。植入性胎盘一般常见于足月生产,胎儿娩出后,胎盘经久不能排出。而植入性胎盘发生在妊娠早期、孕12周流产后较为少见,我院于1977年8月收治一例孕12周、经手术及病 Implantable placenta is not uncommon clinical, is due to poor or completely decidual decidual layer, and the formation of placental villus directly contact with the uterine muscle layer, can cause massive bleeding, causing serious consequences. Placenta accreta generally common in full-term production, after the baby is delivered, the placenta can not be discharged for a long time. The placenta accreta occurred in early pregnancy, pregnancy 12 weeks after abortion is relatively rare, our hospital in August 1977 admitted to a case of 12 weeks of pregnancy, surgery and disease