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.

本研究采用彩色多普勒检测孕妇子宫胎盘床螺旋动脉搏动指数(PI),阻力指数(RI),
测妊高征
发
、发展及
后。
;跳动
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.

本研究采用彩色多普勒检测孕妇子宫胎盘床螺旋动脉搏动指数(PI),阻力指数(RI),
测妊高征
发
、发展及
后。
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