It is of significance to enhance the health knowledge and education during pregnancy for lower the incidence rate of birth defects.
加强孕期保健知识教育，对降低出生缺陷生率具有重要意义。
AIM: To investigate the incidence rate and distribution of birth defects among children of 0-7 years old in the Middle East region of Three Gorges (Yichang city).
目的：了解三峡中东部区域(宜昌市)0 ~ 7岁儿童出生缺陷的发生率及其分布情况。
AIM: To investigate the incidence rate and distribution of birth defects among children of 0-7 years old in the Middle East region of Three Gorges (Yichang city).
目的：了解三峡中东部区域(宜昌市)0 ~ 7岁儿童出生缺陷的发生率及其分布情况。
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