Objective To investigate the therapy of placentaabruption and the measures to improve the outcome of perinatology.
目的探讨提高胎盘早期剥离（胎盘早剥）的治疗水平与改善母儿围生结局的措施。
2
No signals of blood flow was shown the abruption area of placenta by color Doppler flow image.
彩色多普勤血流显像显示胎盘剥离区无血流信号。
3
Conclusion Caesarean section for first live birth is associated with a 47% increased risk of placenta praevia and 40% increased risk of placental abruption in second pregnancy with a singleton.