Shinozuka N, Okai T, Kohzuma S, Mukubo M, Shih C T, Maeda T, Kuwabara Y, Mizuno M
Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Japan.
Am J Obstet Gynecol. 1987 Nov;157(5):1140-5. doi: 10.1016/s0002-9378(87)80278-8.
To improve the accuracy of fetal weight estimation by ultrasound measurement, especially in low birth weight infants, including those with intrauterine growth retardation, two new formulas were developed from a new point of view. The formulas were established by (1) actual measurements of the volumes of the neonatal head and trunk with limbs, (2) analysis of the relationship between the sizes of the parts of the fetal body measured by ultrasound examination before birth and the volumes of the parts of the neonatal body, and (3) calculation of the specific gravities of the parts of the neonatal body. The prospective study showed a high correlation between estimated weights and actual birth weights with a small range of error in infants weighing between 450 and 4800 gm.
为提高超声测量胎儿体重估计的准确性，特别是在低出生体重儿（包括宫内生长迟缓的婴儿）中，从新的角度开发了两个新公式。这些公式是通过以下方式建立的：（1）对新生儿头部及四肢躯干体积进行实际测量；（2）分析产前超声检查测量的胎儿身体各部分大小与新生儿身体各部分体积之间的关系；（3）计算新生儿身体各部分的比重。前瞻性研究表明，在体重450至4800克的婴儿中，估计体重与实际出生体重之间具有高度相关性，误差范围较小。
