There was significant correlation between FLA and neonatal birth weight (r=0.832),and it was better to estimate fetal weight than the other parameters. The sensitivity and specificity for detection of macrosomia was 93.3% and 93.8%,respectively.

• 肝脏面积与新生儿出生体重相关性最好 (r =0 .；832 )；诊断巨大儿的敏感性为 93