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目的:探讨不同喂养方式对婴儿体格发育的影响。方法:选择健康婴儿246例,根据其生后前4个月的喂养方式分为母乳喂养组、混合喂养组和人工喂养组,在生后的42 d、3个月、6个月龄时分别测量其体重和身长及6个月时的血红蛋白含量。结果:3组婴儿的体重和身长在42 d、3个月时差异无统计学意义(P>0．05);6个月时各组婴儿身长差异无统计学意义(P>0．05),母乳喂养组和人工喂养组婴儿体重低于混合喂养组,差异有统计学意义(F=3．72,P<0．05);混合喂养组婴儿贫血发生率高于母乳和人工喂养组(P<0．05)。结论:母乳喂养的婴儿6个月时体重增长速度减慢,混合喂养和母乳喂养婴儿的生长模式可能存在差异;混合喂养组婴儿6个月时出现贫血,可能与生长过快及铁吸收不良有关。
Objective: To investigate the effect of different feeding methods on baby physical development. Methods: A total of 246 healthy infants were selected and divided into breastfeeding group, mixed feeding group and artificial feeding group according to their feeding patterns in the first 4 months of life. After 42 days, 3 months and 6 months of life, Measurement of body weight and length and hemoglobin content at 6 months. Results: There was no significant difference in body weight and body length between the three groups at 42 days and 3 months (P> 0.05). There was no significant difference in body length at 6 months (P> 0.05) (F = 3.72, P <0.05). The incidence of anemia in mixed feeding group was higher than that in breast milk and artificial feeding group P <0.05). CONCLUSIONS: Breastfeeding infants slowed their rate of weight gain at 6 months, and there may be differences in growth patterns between mixed and breastfeeding infants; mixed infants developed anemia at 6 months and may be associated with overgrowth and iron malabsorption .