孕妇的膳食营养直接影响胎儿的发育。胎儿大脑发育的最关键时期是（）。 -题库考试答案搜索网

孕妇的膳食营养直接影响胎儿的发育。胎儿大脑发育的最关键时期是（）。

单选题

2022-05-13 01:29

A、妊娠最后3个月～出生后第5个月
B、妊娠最后3个月～出生后第6个月
C、妊娠最后2个月～出生后第5个月
D、妊娠最后1个月～出生后第6个月
E、妊娠期最后3个月～出生后第6个月

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正确答案

E

试题解析

1.如果在胎儿期蛋白质供应严重不足会引起胎儿大脑发育障碍，将严重影响出生后的智能水平。2.孕妇维生素B6缺乏会导致胎儿发育障碍，甚至发生早产或死胎。3.特别是妊娠期的后3个月和出生后的第6个月内，为儿童大脑发育的关键时期。

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