低血红蛋白计数是常见的血液检查结果。血红蛋白（Hb 或 Hgb）是红细胞中的一种蛋白质，负责将氧气携带至全身。
低血红蛋白计数通常定义为：男性每分升血液的血红蛋白量少于 13.2 克（132 g/L）；女性每分升血液的血红蛋白量少于 11.6 克（116 g/L）。就儿童而言，该定义随年龄和性别而变动。这些阈值在不同的医学实践中可能略有不同。
在许多情况下，仅略低于正常值的低血红蛋白计数并不影响您的感觉。如果低血红蛋白计数更严重并造成症状，可能意味着您患有贫血。
May 24, 2022
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