Unverified88% confidenceDecision RuleTime unknown
早产儿/低出生体重儿铁需求更高,通常从出生后2-4周起补铁至2mg/kg/日,且需持续到至少12月龄,普通足月儿剂量不适用
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Unverified早产儿/低出生体重儿铁储备更少,需从2周-1月龄开始补铁,剂量约2mg/kg/天,明显高于足月儿94% similarUnverified早产儿/低出生体重儿应从出生后2-4周开始补铁,剂量约2-4mg/kg/天,持续至矫正月龄6-12个月;足月纯母乳喂养儿建议4-6月龄起补铁1mg/kg/天直至添加富铁辅食87% similarUnverified哺乳期铁需求实际低于孕期(约9-10mg/天,未哺乳时可能因未来月经推迟更低),高铁配方(含铁>27mg)易致便秘反而不适合,优先选中等铁含量或分产后阶段的配方87% similarUnverified6-12月龄婴儿铁需求量达11mg/天,是选择强化铁辅食的核心月龄段;高铁米粉每100g应含铁6-9mg,冲调一餐(约25g干粉)可提供约1.5-2.5mg铁,需搭配其他富铁食物才能满足需求86% similarUnverified铁剂选甘氨酸亚铁(双甘氨酸螯合铁)或多糖铁复合物比硫酸亚铁便秘和胃刺激明显更轻,孕中晚期(孕13周后)需铁量增至每日27mg,孕早期无缺铁则不必强补85% similar
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