Unverified90% confidenceDecision RuleTime unknown

钙与维生素D3协同可提升肠道钙吸收率，选择含D3(建议400-800IU)的复合钙片比单纯补钙更有效，尤其日晒不足的孕妇

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90%

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孕期钙片category

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Unverified维生素D3能显著促进钙的肠道吸收，选含D3的复合钙片可减少额外补D的负担，D3添加量在400-800IU较为常见且适合孕期协同94% 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93% 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92% similar

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