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在广东省的城乡对７７７名４个月的婴儿进行了生长状况与喂养模式的现况调查，与ＷＨＯ推荐的ＮＣＨＳ体格生长标准比较，城市婴儿４个月时其身长与体重的发育良好，而农村婴儿的身长和体重则低于参考标准，也低于同龄的城市婴儿。６４％城市婴儿和９９％的农村婴儿在４个月时仍喂哺母乳，７７％的城市婴儿和５９％的农村婴儿４个月前已经添加了辅助食品，辅助食品的种类有明显的城乡差别，农村辅食质量次于城市。母乳喂养有利于城乡４个月婴儿的体重生长，４个月前添加辅食影响农村婴儿体重生长。应继续在广东城乡提倡母乳喂养，不提倡过早添加辅食，应提高农村婴儿的断奶过渡食品的质量。
In the urban and rural areas of Guangdong Province, 777 infants aged 4 months were surveyed on the status of growth and feeding patterns. Compared with the NCHS physical growth standard recommended by the WHO, urban infants showed good growth and weight at 4 months, The height and weight of rural infants were lower than the reference standard and also lower than those of urban infants of the same age. 64% of urban infants and 99% of rural infants breastfeed at 4 months, 77% of urban infants and 59% of rural infants have added supplemental foods 4 months ago, with a significant urban-rural difference , Secondary food quality in rural areas in the city. Breastfeeding is beneficial to the weight growth of infants in urban and rural areas for 4 months. Adding complementary food 4 months ago affected the weight growth of rural infants. Should continue to promote breastfeeding in urban and rural areas in Guangdong, do not advocate the premature addition of complementary foods, should improve the quality of rural infants weaning transition food.