[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

孕早期(前12周)优选叶酸含量≥400μg/份的孕妇奶粉,此阶段是神经管发育关键期;孕中晚期应转向DHA≥200mg/份、铁≥15mg/份的配方以支持胎儿脑发育和母体血容量扩张

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88%
Confidence
Long-term
Relevance
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