Results Only 626 Cases (51.56%) were found uneven intrauterine echogram by B-type ultrasound,but 1194 cases(98.35%) were detected image of peritrophoblastic flow by colorful Doppler ultrasound.

• 结果病理诊断宫腔残留1214例；二维超声以宫腔不均质回声团为诊断标准；符合率达51.；57%25(626/1214)；彩色多普勒以探测到滋养细胞周围性血流为诊断标准；符合率达98