Objective To observe pulsative index (PI), resistant index (RI) of placental helicine arteries by colour Doppler, analyses relation between PI, RI and developing of pregnant hypertension.
目
本研究采用彩色多普勒检
孕妇子宫胎盘床螺旋动脉搏动指数（PI），阻力指数（RI），预
征
、
及预后。
Objective To observe pulsative index (PI), resistant index (RI) of placental helicine arteries by colour Doppler, analyses relation between PI, RI and developing of pregnant hypertension.
目本研究采用彩色多普勒检孕妇子宫胎盘床螺旋动脉搏动指数（PI），阻力指数（RI），预征、及预后。
声明：以上例句、词性分类均由互联网资源自动
成，部分未经过人工审核，其表达内容亦不代表本软件
观点；若
现问题，欢迎向我们指正。
