报告武汉市抽样调查118,665人的精神发育不全资料,患 病率为1.3‰,先天性异常者占43.5％,其中17.9％为染色体异常并有指、掌 等皮纹明显变异,56.5％为后天因素致病,4岁以前发病达88.3％,提示应该 重视本病的预防工作,搞好妇幼保健,防治婴幼儿疾病有其重要意义。 Report Wuhan City, a sample survey of 118,665 people with mental retardation information, the prevalence was 1.3 ‰, congenital abnormalities accounted for 43.5%, of which 17.9% of chromosomal abnormalities and fingers, palms and other dermal obvious variation, 56.5% of acquired factors Pathogenesis, 88.3% before the age of 4, suggesting that we should pay attention to the prevention of this disease, improve maternal and child health, prevention and treatment of infant diseases is of great significance.