我们于1990年8月对来自儿保门诊的150名6～7岁低出生体重儿、巨大儿及正常出生体重儿进行了智力测查,现报告如下。一、资料和方法1.资料来源:从我院儿保门诊选择50名低出生体重儿,出生体重小于2500g;另选择50名巨大儿,出生体重大于4000g。同时选择50名正常出生体重儿做对照(出生体重2500～4000g)。3组儿童年 In August 1990, we conducted an intelligence survey of 150 low-birth-weight, 6-year-olds, 6-year-olds and normal birth weight children from child-care clinics. I. Materials and Methods 1. Source: 50 low-birth-weight children were selected from our child-care clinic and their birth weight was less than 2500g. Another 50 huge children were selected, whose birth weight was more than 4000g. At the same time choose 50 normal birth weight children as a control (birth weight 2500 ~ 4000g). 3 groups of children’s years