Unverified90% confidenceDecision RuleTime unknown
早产儿从2周龄至满1岁需按每日2mg/kg元素铁预防性补充，足月纯母乳喂养儿满4月龄若未添加富铁辅食需按1mg/kg补充至能从辅食获取足量铁
1
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90%
Confidence
Long-term
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Unverified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93% similarUnverified足月纯母乳喂养婴儿建议从4-6月龄开始补铁（约1mg/kg/天），因母体铁储备在4-6月龄基本耗尽，而母乳含铁量低（约0.35mg/L）92% similarUnverified足月健康婴儿0-6个月体内储备铁通常够用，一般在4-6个月后（早产儿更早）才需要额外补铁，纯母乳喂养满6个月未添加富铁辅食是补铁的主要指征91% similarUnverified足月纯母乳喂养婴儿在4-6月龄后母体铁储备耗尽，需每日补充元素铁约1mg/kg，选剂时按体重换算含铁量而非直接看瓶身标称90% similarUnverified6月龄开始添加辅食后优先补充铁剂，因母乳铁含量低且胎儿储备铁在6个月耗尽，选择每日剂量含铁6-10mg的滴剂或粉剂，早产儿需在医生指导下加倍90% similar
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