Why the baby after five months prone to calcium deficiency phenomenon?

Often because the parents failed to timely complementary feeding. Normal infants grow up to five months, has been able to help sit or sit up, stand like help, help jump, height quickly increased to over 60 cm, then there will be a greater demand for calcium increases. At a time when breast milk alone can not provide enough calcium, vitamin D needed to absorb calcium content will be inadequate. High calcium milk, but the ratio of nutrient content and are not suitable for babies, and heating, sterilization, storage and other processes in the massive destruction of vitamins, but also because it is liquid, calcium content will be insufficient, so must rely on appropriate high calcium foods to provide more solid calcium. So five months after his mother must pay attention to timely fed to the baby food supplement, in addition to iron and vitamin-rich feed natural food, but also note that adding a natural high calcium foods such as rice cereal, milk, rice flour, egg yolk, lean meat , soup bones, growth and development to meet the needs of the baby.