方法治疗组37例，对照组22例，测定治疗前后的宫高、腹围、胎儿双顶径，以及出生后的新生儿体重及胎盘重量。
Method: 37 cases of FGR were enrolled in treatment group and 22 cases of FGR were put into control group.
结论：应用超声测量胎儿腹围预测出生体重，方法简单，且较准确，有较好的临床实用价值。
Conclusions: The ultrasonic measurement of fetal AC is a simple and valuable index in estimation of fetal weight.
方法超声测量胎儿颈后软组织厚度、双顶颈、股骨长径、腹围、应用线性回归方程求出各指标与胎儿体重的关系。
Methods Measure the depth of the soft tissue in the back neck of fetus, Biparietal diameter(BPD) , femur length(FL) and abdominal circumference(AC), and apply linear regression equation.
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