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多普勒
妇子宫胎盘床螺旋动脉搏动指数（PI），阻力指数（RI），
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多普勒妇子宫胎盘床螺旋动脉搏动指数（PI），阻力指数（RI），妊高征的发生、发展及后。
声明：以上例句、词
类均由互联网资源自动生成，部未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
