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小儿缺铁的原因1.先天性储铁不足,见于早产儿、多胎儿、妊娠期母体严重缺铁或胎儿宫内失血及脐带过早结扎等。2.饮食缺铁。婴幼儿饮食以乳类为主,含铁量低,牛奶含铁0.1mg/d,吸收率仅10%,若不注意添加辅食,易致缺铁。母乳喂养儿5个月后需加含铁辅食,人工喂养则应喂强化铁的配方奶。较大儿童偏食,饮食搭配不合理,食物中可利用铁低也可致贫血。3.小儿生长发育快易缺铁。足月新生儿体内铁仅够出生后体重增长一倍(即五个月时)的需要,因此6个月后需补充富铁饮食或铁剂。早产儿体内铁的含量更低,且体重增长更迅速,因此早产儿生后不久即要补铁。4.生后铁的丢失。牛奶过敏儿摄入鲜牛
Causes of iron deficiency in children 1. Congenital lack of iron storage, found in premature children, multiple fetuses, severe maternal pregnancy iron deficiency or intrauterine blood loss and premature umbilical cord ligation. 2. diet iron deficiency. Infants and young children diet mainly milk, low iron content, milk iron 0.1mg / d, the absorption rate of only 10%, if not pay attention to add food supplement, easy to cause iron deficiency. Five months after breastfeeding children need to add iron supplements, artificial feeding should be fed to strengthen iron formula milk. Large children partial eclipse, diet with unreasonable, low iron available in food can also cause anemia. 3. Pediatric rapid growth and development of iron deficiency. Iron in term newborns needs to be supplemented with iron-rich diet or iron supplements after 6 months, since body iron is only needed to double the weight gain after birth (ie, five months). Premature children with lower iron content in the body, and weight gain more rapidly, so soon after birth, premature children to iron. 4 after the loss of iron. Milk allergy children intake of fresh cattle