Incidence of fetal macrosomia among single live birth neonates and influencing factors in Xi'an,2010-2013 / 中华流行病学杂志

ABSTRACT

Objective To analyze the incidence and influencing factors on fetal macrosomia among single live birth neonates in Xi'an.Methods A questionnaire survey was conducted among women at the childbearing age who were selected through multi stage stratified random sampling in Xi'an during 2010-2013.All the childbearing aged women involved,were in pregnancy or having definite pregnancy outcomes.Results A total of 4 970 women at childbearing age and their infants were investigated.The overall incidence of fetal macrosomia weight among the single live birth neonates under study,was 9.7％ during 2010-2013 (8.9％ in 2010,8.1％ in 2011,10.0％ in 2012 and 10.1％ in 2013,respectively).The incidence rates of fetal macrosomia appeared 10.5％ in the central district and,8.6％ in the rural-urban area of Xi'an.There were statistically significant differences (P＜0.05) seen between the two areas.Results of logistic regression analysis suggested that factors ashaving male newborn (OR=1.717,95％ CI1.402-2.102),drinking during pregnancy (OR=2.174,95％ CI1.042-4.533),gestational diabetes (OR=1.680,95％CI1.100-2.568) gestational age≥42 (compared with 37-41,OR=2.565,95％CI1.306-5.039),being multipara (OR=1.874,95％CI1.492-2.354)were risk factors for the fetal macrosomia.Conclusion The incidence of fetal macrosomia in Xi'an was higher than the national figures.The incidence of fetal macrosomia was higher in the central district than in rural-urban area.Having male neonate,postmature birth,gestational diabetes,being multipara,drinking during pregnancy were the risk factors related to fetal macrosomia.