妊娠期内药物致畸最敏感的时期是:A、妊娠半个月以内B、妊娠3周至12周C、妊娠4~9个月D、妊娠9个月以后E、妊娠1~2个月

作者: rantiku 人气: - 评论: 0
问题 妊娠期内药物致畸最敏感的时期是:
选项 A、妊娠半个月以内 B、妊娠3周至12周 C、妊娠4~9个月 D、妊娠9个月以后 E、妊娠1~2个月
答案 B
解析 正确答案:B

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