Unverified90% confidenceCautionTime unknown
孕妇、哺乳期及婴幼儿不应自行选购大剂量锌补充剂，过量锌会影响胎儿及婴幼儿铜代谢和免疫功能，须遵医嘱
1
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90%
Confidence
Long-term
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Unverified孕妇及备孕人群补锌应咨询医生并选择孕期专用配方，不建议自行选用高剂量单一锌剂，过量锌可能影响铜及铁代谢89% similarUnverified缺锌高风险孕妇（严重孕吐进食差、素食者、多胎妊娠、既往缺锌史）应优先在产检时检测血锌并遵医嘱补充，不宜自行大剂量补锌83% similarUnverified备孕期锌影响卵子质量与受精，孕期锌参与胎儿神经与器官发育，哺乳期需求最高（12mg），选购时应确认产品标注的适用阶段与推荐剂量匹配80% similarUnverified给婴幼儿补充时须认准蓝帽子保健食品或婴幼儿专用配方，避免购买成人剂量液态钙铁锌兑水给儿童服用，锌过量（＞儿童UL上限）会抑制铜吸收并影响免疫，需按体重精确计量79% similarUnverified孕哺期不建议自行补充高剂量锌（>40mg/天）和硒，维A酸类衍生营养素类产品孕期禁用；孕哺期补充Omega-3应选去除重金属、标注孕妇适用的纯化鱼油或藻油DHA77% similar
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