目前，临床上用于估测胎儿体重的方法较多，各有其优缺点，且有些方法计算较复杂，误差较大。作者应用Ｂ超通过对２８０例胎龄在１９～４１周引产和正常分娩孕妇的胎肾长径观察发现，胎肾长径与胎儿体重对数间存在着良好的相关性，现报道如下。１资料与方法１·１研究对象... At present, there are many clinical methods for estimating fetal weight, each has its own advantages and disadvantages, and some methods are more complicated and the errors are larger. Application of B-280 cases of gestational age at 19 to 41 gestational weeks induced abortion and normal delivery of fetal kidney diameter observed that there is a good correlation between fetal kidney diameter and fetal body weight logarithm, are reported below. 1 Materials and Methods 1.1 Research Object ...