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孕晚期维生素b12多少为正常值
更新时间: 2020-11-04 00:00:00  

维生素B12又名钴胺素,是一种含有金属元素的维生素。它的正常值为200-900pg/ml,不同仪器检验的正常值会有所差别。低于200pg/ml表明维生素B12缺乏,会出现恶心,贫血,月经不调,眼睛及皮肤发黄,皮肤局部红肿脱皮,食欲不振及消瘦,牙龈出血,口腔黏膜发炎,头痛等症状。维生素B12的来源主要是动物内脏、肉类、乳制品等。一旦出现缺乏,应及时通过口服或者注射剂来补充。

关键词: 晚期 维生素 b12 多少 正常值

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