The incidence of diarrhea in artificial feeding group was higher than that of breastfeeding group ( P< 0. 05).

人工喂养婴儿腹泻发生率显著高于母乳喂养儿（P<0.05）。

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The incidence of diarrhea in artificial feeding group was higher than that of breastfeeding group ( P< 0. 05).

人工喂养婴儿腹泻发生率显著高于母乳喂养儿（P<0.05）。

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