Fig. 4From: Identifying critical windows of air pollution exposure during preconception and gestational period on birthweight: a prospective cohort studySex-stratified analysis of NO2 exposure during 3-month preconception and gestational period on Odds Ratio (OR) of SGA. A: DLM of NO2 on SGA using DLM among female children (girl); B: DLM of NO2 on SGA using DLM among male children (boy); C: preconception and trimester-averaged model by newborns’ sex. Same covariates were adjusted as full modelsBack to article page