Dudley N J, Lamb M P, Copping C
Br J Obstet Gynaecol. 1987 Feb;94(2):110-4. doi: 10.1111/j.1471-0528.1987.tb02335.x.
A method for estimating fetal weight by calculating an approximate fetal volume from abdominal area, head area and femur length has been developed. Birthweights were calculated within 48 h before delivery for 434 patients, using this method and two other methods already in widespread use. Statistical analysis of the three sets of predictions gave standard deviations of 297 g for the new method, compared with 323 g and 342 g for the other methods. Further analysis of the data showed that estimates closest to the true birthweight were obtained in 41% of cases by using the new method, and in 33% and 26% of cases using the other methods.
一种通过根据腹部面积、头部面积和股骨长度计算近似胎儿体积来估算胎儿体重的方法已经开发出来。使用这种方法以及另外两种已广泛使用的方法，对434名患者在分娩前48小时内计算出生体重。对三组预测结果的统计分析表明，新方法的标准差为297克，而其他两种方法分别为323克和342克。对数据的进一步分析表明，使用新方法时，41%的病例得到的估计值最接近实际出生体重，而使用其他方法时，这一比例分别为33%和26%。
