Abstract: Objective To identify the risk factors of low birth weight infants for the timely prevention of the occurrence of low birth weight infants, improve their quality of life and provide scientific basis. Method The clinical characteristics basic situation of materials, the risk factors of 336 low birth weight infants were analysed by a retrospective case-control method. Results Survey Results showed that preterm birth, pregnancy colds, oligohydramnios, preeclampsia, living in rural and urban and premature rupture of membranes were the risk factors of low birth weight infants, OR values were 368.136, 30.760, 12.074, 10.481, 6.824, 4.681 respectively. Conclusion The incidence of low birth weight infants is combined with a variety of factors.The systematic management of high-risk pregnancy, timely detection and intervention in high-risk factors should be strengthen in order to reduce the incidence of low birth weight infants

Key words: low birth weight infant, influencing factors, retrospective study

摘要： 目的 找出低出生体重儿的影响因素, 为及时预防低出生体重儿的发生, 提高其生存质量提供科学依据。方法 采用病例对照的方法回顾性分析336例低出生体重儿和产妇的基本情况及其临床特点, 分析低出生体重儿的影响因素。结果 调查结果显示早产、孕期感冒、羊水过少、子痫前期、居住在农村及城乡结合部和胎膜早破是低出生体重发生的高危因素, OR值分别为368.136, 30.760, 12.074, 10.481, 6.824, 4.681。结论 低出生体重的发生是多种影响因素综合作用的结果, 应加强高危妊娠系统化管理, 及时发现和干预高危因素, 以降低低出生体重儿的发生。

关键词: 低出生体重儿, 影响因素, 回顾性研究