低出生体重儿危险因素病例对照研究

目的 探索低出生体重儿发生的相关危险因素。方法 对沈阳市妇婴等15家医院分娩的部分产妇进行低出出生重儿的病例对照研究。结果 在控制孕妇患慢性疾病，生殖器官畸形，严重妊妊反应，化程度和巨细胞病毒等感染以及主动吸烟等混杂因素后，产妇受孕期受被动吸烟，自然流产、人工流产史，家族低出生体重史，孕前体重指数（BMI），职业接触有机物以及丈夫饮酒史诸因素影响，分娩低出生体重儿的危险性为对照组的2．95，2．17，2．25，2．04，2．98和1．75倍。结论 上述因素均可能是低出生体重儿的危险因素。

The Case Control Study on the Relationship Between Risk Factor in Pregnancy and Iow Birth Weight

Objective To explore the relationship between low birth weight (LBW) and maternal factors during pregnancy. Methods The lying-in women who were in 15 hospitals of Shenyang were examined, by using case-control study.Results After adjustment with all confounding factors such as chronic disease, educational degree and so on, the relative risks of LBW for passive smoking during pregnancy period, history of spontaneous abortion, history of induced abortion, history of LBW in families, maternal body mass index (BMI) before pregnancy, exposure organic compound and her husbands drinking were 2.95, 2.17, 1.51, 2.25 , 2.04, 2.98 and 1.75 times than those of control group, respectively. Conclusion The above-mentioned factors might be risk factors of LBW.