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怀孕期间最易导致出生缺陷的时期是（）
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怀孕期间最易导致出生缺陷的时期是（）
A、早孕期
B、中孕期
C、晚孕期
D、以上都不对
时间：2021-09-01 20:15
关键词：
联大
玉林师范学院
优生学
答案解析
A
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