目的了解42d婴儿体格发育及存在的疾病,为针对性开展科学育儿宣教提供依据。方法以2013年3~10月在我院儿保科进行42d体检的847例婴儿为调查对象,对其进行体格检查及相应的问卷调查。结果纯母乳喂养44.0%;部分母乳46.8%;人工喂养9.2%。不同喂养方式体重、身长均值差异具有统计学意义。存在疾病前三位为湿疹、黄疸、鞘膜积液。结论对42d婴儿详细体检可及时了解婴儿体格发育及一般疾病情况,对不利因素及时进行有效干预,促进儿童健康成长。 Objective To understand the physical development and existing diseases of 42 days old infants and to provide the basis for carrying out scientific childcare mission. Methods A total of 847 infants who underwent physical examination for 42 days from March to October 2013 in our hospital were included in this study. Physical examination and corresponding questionnaire were conducted. The results of breastfeeding 44.0%; part of the breast milk 46.8%; artificial feeding 9.2%. The differences of body weight and body length of different feeding ways have statistical significance. The first three diseases are eczema, jaundice and hydrocele. Conclusion The detailed physical examination of 42d infants can keep abreast of physical development and general disease of infants, timely and effective intervention to adverse factors and promote the healthy growth of children.