母乳是婴儿最理想的天然食品,多数婴儿在4个月内单纯喂养母乳便可以满足其生长发育的需要。 但是婴儿长到4～6个月时,母乳再充足也要添加辅食了。辅食即辅助食品的简称,是指除奶类以外的其它食品。必须按时添加辅食的理由有以下几点。(1)婴儿从母体带来的铁质在出生3～4个月时已经耗尽,而母乳及其它奶的铁质含量 Breast milk is the ideal natural food for babies. Most babies only need breastfeeding in 4 months to meet their growth and development needs. However, when the baby grows 4 to 6 months, sufficient supplementation of breast milk should also be added. Supplementary food, the abbreviation for supplementary food, refers to other foods besides milk. There are several reasons why you must add complementary food on time. (1) The iron that infants bring from their mothers is exhausted at 3 to 4 months of age, while the iron content of breast milk and other milk