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正常妊娠80例(正常妊娠组),妊高征68例,合并IUGR的妊高征76例(IUGR)组。孕妇年龄23～25岁。孕周20～41周。 二、方法 应用仪器为日立EUB515型和美国产HP SONOS型彩色多普勒仪,探头频率为3.5MHz。首先应用B
80 cases of normal pregnancy (normal pregnancy group), PIH 68 cases, IUGR combined PIH 76 cases (IUGR) group. Pregnant women aged 23 to 25 years old. Pregnancy week 20 to 41 weeks. Second, the method of application instruments Hitachi EUB515 type and the United States made HP SONOS color Doppler, the probe frequency of 3.5MHz. First apply B