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目的:了解甘肃省兰州市低出生体重儿妊娠期的危险因素。方法:采取整群抽样的方法获取研究对象,以2010年6月～11月在兰州大学第一医院,兰州大学第二医院和甘肃省妇幼保健院29例低体重儿的产妇为病例组,以基线资料相同的41例分娩正常体重儿的产妇为对照组,采用病例对照研究方法对兰州市低出生体重儿妊娠期危险因素进行非条件Logistic多元逐步回归分析。结果:孕周小于37周(OR=22.162,P<0.05)、妊娠期每日餐数≤3次(OR=20.907,P<0.05)和妊娠期间较少摄入鸡蛋(OR=47.357,P<0.05)均是低出生体重儿发生的危险因素。结论:兰州市低出生体重儿妊娠期危险因素较多,预防早产和提高产妇孕期营养可能是减少低体重儿出生的有效手段。
Objective: To understand the risk factors of pregnancy in low birth weight infants in Lanzhou, Gansu Province. Methods: A total of 29 low-birth-weight mothers from June 2010 to November in the First Hospital of Lanzhou University, the Second Hospital of Lanzhou University and the Maternal and Child Health Hospital of Gansu Province were selected as study subjects. The baseline data of the same 41 cases of childbirth normal weight maternal control group, case-control study of non-conditional Logistic multivariate stepwise regression analysis of risk factors of pregnancy in low birth weight infants in Lanzhou. Results: The gestational age was less than 37 weeks (OR = 22.162, P <0.05), the number of meals per day in pregnancy was ≤3 (OR = 20.907, P <0.05) 0.05) are risk factors for low birth weight infants. Conclusion: There are many risk factors of pregnancy in low birth weight infants in Lanzhou. Preventing premature birth and improving maternal nutrition during pregnancy may be effective methods to reduce the birth of low birth weight infants.