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智力低下已成为儿科的一种常见病。据报道国外发病率约为3～10％,国内为0.8～4.10％。本组病例占儿科门诊病例的2.24％。智力低下的病因较为复杂,但为了提高我国人口素质及优生优育工作,就必须对其病因进行认真地探讨,现将所观察的388例,分析如下: 一、一般资料 1.本组388例中,男307例,女81例。就诊年龄:3～6月11例,～12月61例,1～3岁188例,～5岁75例,～7岁24例,7岁以上29例。胎次:第一胎343人,第二胎以上45人。孕龄:25岁以下52人,35岁以上9人。本组病例1/4来自农村,多数为本市及近郊区居民。
Mental retardation has become a common pediatric disease. It is reported that the foreign incidence of about 3 to 10%, the domestic 0.8 ~ 4.10%. The group accounted for 2.24% of pediatric outpatient cases. The causes of mental retardation are more complex, but in order to improve our population quality and prenatal and postnatal care, we must seriously explore its causes, the 388 cases are now observed, as follows: First, the general information 1. This group of 388 cases There were 307 males and 81 females. Treatment age: 3 months to 11 months, 61 cases in December, 188 cases of 1 to 3 years old, 75 cases of 5 years old, 24 cases of 7 years old, 29 cases of 7 years and older. Fetal life: the first child of 343 people, 45 people after the second child. Pregnancy: 52 people under the age of 25, 9 over the age of 35. A quarter of the patients from rural areas, most of the city and suburban residents.