New charts for ultrasound dating of pregnancy

被引:134
作者
Altman, DG
Chitty, LS
机构
[1] ICRF Medical Statistics Group, Centre for Statistics in Medicine, Institute of Health Sciences, Oxford
[2] Department of Clinical Genetics, Institute of Child Health, London
[3] ICRF Medical Statistics Group, Centre for Statistics in Medicine, Institute of Health Sciences, Headington, Oxford OX3 7LF, Old Road
关键词
pregnancy dating; charts; fetal size; methodology;
D O I
10.1046/j.1469-0705.1997.10030174.x
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
We describe new charts and tables for dating pregnancies derived from data collected in a study designed to enable the construction of these and charts of fetal size. This was a prospective study in which 663 fetuses seen in the routine ultrasound clinic in a London teaching hospital were scanned once only for the purpose of this study. We discuss the statistical methodology in detail and compare the new charts with other published charts. We suggest that the differences seen may be due to variation in study methodology.
引用
收藏
页码:174 / 191
页数:18
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