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目的：调查宜春市城乡近亲婚配车，探讨近亲婚配对子代２０岁前早亡率及子代遗传性疾病发生率的影响。方法：采用整群抽样的方法作现况调查。结果：城乡总近婚率为３．６２％，其中农村为４．３８％，高于市区（０．８５％）。调查表明，结婚年代，男性结婚年龄与近亲婚配有关，而男、女双方结婚次数，女性结婚年龄对近亲婚配影响不大，同时近亲婚配对子代２０岁前早亡率及子代遗传性疾病发生率有明显影响。结论：农村近亲婚配率高于城市，近亲婚配增加子代２０岁前早亡率及子代遗传性疾病的发生率。
Objective: To investigate the relationship between inbreeding in urban and rural areas of Yichun City to investigate the effect of inbreeding on the premature offspring of offspring before offspring and the incidence of hereditary diseases in offspring. Methods: The method of cluster sampling for the status quo survey. Results: The total rate of marriage in urban and rural areas was 3.62%, of which 4.38% in rural areas, higher than that in urban areas (0.85%). The survey shows that the marriage age of males is related to the marriage of their relatives. However, the number of marriages and the marriage age of females have little effect on the marriage of the relatives. In addition, the close relationship between the maternal offspring and the offspring before the age of 20 and the hereditary diseases The incidence has a significant impact. CONCLUSIONS: The rate of marriage inbreeding in rural areas is higher than that in cities, and marriage of inces from kinship increases the rate of premature death before age 20 and the incidence of hereditary diseases among offspring.