Unverified82% confidenceDecision RuleTime unknown

孕妇及哺乳期选择钙+D3需匹配孕期专用规格（钙需求约1000mg，D3约600IU），避免额外含大剂量维生素A或未标注成分的复合配方

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82%

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钙+D复合营养素category

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Unverified选择含维生素D3的钙片，D3促进肠道钙吸收，孕期建议D3含量400-600IU/日；若已单独补充复合维生素含D3，需避免叠加超过4000IU上限89% similar Unverified选择含维生素D3的复合钙片，D3能显著提升钙吸收率，孕期每日D3建议400-800IU；若钙片不含D3需另行单独补充88% similar Unverified优先选择含维生素D3的复合钙片，D3促进肠道钙吸收，孕期每日D3推荐量约400-800IU；单纯补钙不补D3时钙吸收利用率明显偏低88% similar

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