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随着人口生育率的下降和疾病模式的转变,我国出生人口素质不高的问题逐渐凸显出来,出生缺陷(Birth Defects,简称BD)和残疾作为影响人口素质的重要因素,已经成为我国和世界各国政府高度关注的重要公共卫生问题。从2005年开始,在市政府的高度重视和大力支持下,安徽省蚌埠市相关部门和单位共同承担了《蚌埠地区0～5岁儿童出生缺陷的分布、危险因素及对策》的科研课题,采用分层按比例整群抽样的方
With the decline of population fertility rate and the change of disease patterns, the problem of low birth mass in our country is gradually highlighted. Birth Defects (BD) and disability, as important factors affecting the quality of the population, have become common problems in China and other countries in the world Important public health issues the government is highly concerned about. Since 2005, with the great attention and strong support of the municipal government, relevant departments and units in Bengbu City, Anhui Province have jointly undertaken the research project of “Distribution, risk factors and countermeasures of birth defects in children aged 0 ~ 5 in Bengbu Region” Stratified stratified cluster sampling