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《生殖与避孕：英文版》
>Risk Factors for Birth Defects：A Conditional Logistic Regression Analysis of a Case-Control Study in Guang-dong Province of China
Risk Factors for Birth Defects：A Conditional Logistic Regression Analysis of a Case-Control Study in Guang-dong Province of China
In order to study risk factors and their association with birth defects,data were collected from 329 cases and 329 controls in 38 hospitals in Guangdong Province of China in 1988.Information was obtained from the same questionnaire(23 risk factors listed)of cases and controls.We used a multivariate logistic model,which described variables significantly increased risk of birth defects.The risk factors included maternal educa-tional levels，medicine taken during pregnancy and antenatal care.It was suggested to strengthen antenatal care was the main preventive measure against birth defects.
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