怀孕后,母体血浆容量增加很快,超过了血细胞的增加速度,血液就产生了一定程度的稀释。所以,妊娠妇女如果不注意膳食的调理就很容易发生贫血。其中缺铁性贫血最为常见,约占妊娠贫血的90％。最简单的贫血诊断标准: 血红蛋白低于105g/L。 孕期贫血的原因 每个成年女性体内铁的总含量约为1700mg,其中70％形成血红蛋白。而怀孕后,是“一人养两个”,各种营养素的需求增长迅速,根据医学估算,整个孕期大 After pregnancy, maternal plasma volume increases rapidly, exceeding the rate of increase of blood cells, resulting in some dilution of the blood. Therefore, pregnant women are very prone to anemia if they do not pay attention to dietary conditioning. One of the most common iron deficiency anemia, about 90% of anemia of pregnancy. The simplest diagnostic criteria for anemia: hemoglobin less than 105g / L. Causes of anemia during pregnancy The total iron content per adult female is about 1700 mg, of which 70% form hemoglobin. After pregnancy, is “one to raise two,” the rapid growth in demand for various nutrients, according to medical estimates, the entire pregnancy is large