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先天愚型(Down综合征)是常见的一种染色体病,占智力低下儿10~15%。上海市新生儿Down综合征普查,现患率为0.56‰。我们于1982~1987年在广东西部对60059名14岁以下的儿童进行了调查,兹将结果报道如下。
Down syndrome is a common chromosomal disease, accounting for 10 to 15% of children with mental retardation. Shanghai Newborn Down Syndrome survey, the prevalence was 0.56 ‰. We conducted a survey of 60,059 children under the age of 14 in western Guangdong from 1982 to 1987, and the results are reported below.