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.
目的本研究采用彩色检测孕妇子宫胎盘床螺旋动脉搏动指数(PI),阻力指数(RI),测妊高征的发生、发展及后。
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.
目的本研究采用彩色检测孕妇子宫胎盘床螺旋动脉搏动指数(PI),阻力指数(RI),测妊高征的发生、发展及后。
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