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目的为提高人口的基础素质提供理论依据。方法调查泰安市中心医院产科自１９６２年至１９８６年，２５年间１１年的出生登记资料。结果共１５２３７名出生儿。对低体重儿死胎儿及畸形儿（三种不良儿）的发生情况进行了调查分析。共有低体重儿１２４５名，低体重率８１．７‰，城市为６１．３‰，农村１０８．３‰。死胎儿共１８３名，死胎率为１２‰，城市为６‰，农村为１９．８‰，ＲＲ＝３．３。畸形儿总数为１６７名，畸形率１１‰，城市６．７‰，农村１６．５‰，ＲＲ＝２。三种不良儿的发生率农村均明显高于城市，结论生育的最佳年龄在２４岁至２９岁之间，怀孕的最佳时间应在６至１０月份之间。
Objective To provide the theoretical basis for improving the basic quality of the population. Methods To investigate the birth registration data of Tai’an Central Hospital from 1962 to 1986 and 25 years for 11 years. A total of 15,237 births. Investigation and analysis of the incidence of low birth weight fetus and deformed children (three kinds of poor children). A total of 1245 children with low birth weight, low birth weight 81.7 ‰, 61.3 ‰ in urban areas and 108.3 ‰ rural areas. A total of 183 childbirths were stillborn, with a stillbirth rate of 12 ‰, 6 ‰ in urban areas, 19.8 ‰ in rural areas and RR = 3.3. The total number of deformities was 167, with a deformity rate of 11 ‰, 6.7 ‰ in urban areas and 16.5 ‰ in rural areas with RR = 2. The prevalence of three unborn children in rural areas were significantly higher than in urban areas, the best conclusion of childbearing age in the 24 to 29 years old, the best time of pregnancy should be between June to October.