3个月--6个月的婴幼儿为什么特别爱生病呢? 早期宝宝体内的免疫球蛋白并非来自自身的免疫系统,而是在胎儿期经胎盘从妈妈那儿获得的。这些免疫物质随着宝宝的生长发育而逐渐消耗,一般是3~4个月,最多6个月,这些免疫物质就会用完。而在这个时期婴儿不可能处在无菌环境,他是生活在一个有好多病原体存在的大环境,在这样的环境里,一旦宝宝抵抗力差了,环境中的致病菌就趁虚而入,特别容易患感冒、腹泻、肺炎、发烧等常见疾病。 3 months - 6 months of infants and young children why particularly love sick? Early baby’s immune globulin is not from their own immune system, but in the fetus through the placenta obtained from the mother. These immune substances gradually disappear as the baby grows and develops, usually 3 to 4 months, up to 6 months, and these immune substances will be used up. In this period the baby can not be in a sterile environment, he is living in a large number of pathogens exist in the environment, in such an environment, once the baby’s resistance is poor, the environment of pathogens take advantage of , Especially vulnerable to common cold, diarrhea, pneumonia, fever and other common diseases.