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应用脐动脉血流频谱检查189例胎儿济动脉血流（正常80例，高危103例孕妇的109例胎儿，含双胎6例）。接S／D比值将高危组分为S／D＜3组和S／D＞3组，并与正常组比较。S／D＜3组新生儿出生体重、Apgar评分、预后均无明显差异（P＞0．05）；而S／D＞3姐则新生儿出生体重，低评分者明显与正常组有差异，且死胎、死产、引产、畸形率明显高于前两级（P＜0．05）。高危组中共发现9例明显异常波型，其中4例为“无舒张末期速度波型”，均为重度妊高征脐血流频谱，5例为“收缩期峰值差异交替波”，示胎儿宫内严重心肌缺氧。
A total of 189 cases of fetal renal artery blood flow (normal 80 cases, 109 fetuses with high risk 103 pregnant women and 6 cases with twins) were examined with umbilical artery blood flow spectrum. After the S / D ratio, the high-risk groups were divided into S / D <3 groups and S / D> 3 groups, and compared with the normal group. There was no significant difference in birth weight, Apgar score and prognosis between S / D <3 groups (P> 0.05), while those with S / D> 3 sisters had different birth weight and lower score than those in normal group And stillbirth, stillbirth, induced labor, deformity rate was significantly higher than the previous two levels (P <0.05). In the high-risk group, there were 9 abnormal wave patterns found in the study group, of which 4 were “non-diastolic velocity wave pattern”, all of them were spectrum of umbilical cord blood flow in severe PIH, and 5 were “alternating wave of systolic peak difference” , Showed severe intrauterine fetal myocardial hypoxia.