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目的探讨母亲既往生育史对单胎活产低出生体重儿发生的影响因素。方法选取375名住院产妇所生的单胎活产低出生体重儿(LBW),与同期分娩的单胎活产正常体重儿5157例进行病例对照分析,比较母亲既往生育史对低出生体重儿发生的影响。结果既往自然流产史、早产史和不良孕产史是LBW发生的危险因素(OR=1.57 95%CI1.110-2.25)、(OR=4.84 95%CI 2.01-11.66)、(OR=2.09 95%CI 1.22-3.57),并且主要针对于早产LBW(OR=1.6595%CI 1.11-2.44)、(OR=6.55 95%CI 2.70-15.91)、(OR=2.18 95%CI 1.21-3.91),既往低出生体重史是足月LBW发生的危险因素(OR=7.93 95%CI 1.72-36.46)结论 LBW的发生与既往自然流产史、早产史、不良孕产史、低出生体重史密切相关。对以上这些妇女再次怀孕的孕前、孕期均应做好保健服务,以有效减少LBW的发生。
Objective To explore the influencing factors of the past birth history of maternal on the occurrence of single birth weight low birth weight infants. Methods A total of 5157 pregnant women with single live birth and low birth weight (LBW) born from hospitalized women were enrolled in this study. A case-control study was performed on 5157 cases of singleton live births in the same period of delivery, comparing the previous birth history of mothers to low birth weight infants Impact. Results The history of spontaneous abortion, premature birth and poor pregnancy history were the risk factors of LBW (OR = 1.57 95% CI1.110-2.25) (OR = 4.84 95% CI 2.01-11.66) (OR = 2.09 95% CI 1.22-3.57) and were predominantly for preterm birth LBW (OR = 1.6595% CI 1.11-2.44), OR = 6.55 95% CI 2.70-15.91 (OR = 2.18 95% CI 1.21-3.91) Body weight history was a risk factor for term LBW (OR = 7.93 95% CI 1.72-36.46). Conclusions The occurrence of LBW is closely related to the history of spontaneous abortion, premature birth, poor pregnancy history and low birth weight. For these women again pregnant before pregnancy, pregnancy should be good health care services to effectively reduce the incidence of LBW.