Ye B, Zhong C, Li Q, et al. - Researchers examined if and how high PM2.5 exposure during pregnancy is associated with blood glucose levels and GDM risk in Chinese women. They assessed 3,967 pregnant women in the Tongji Maternal and Child Health Cohort from August 2013 to May 2016 in Wuhan, China. Observation revealed that high PM2.5 exposure during pregnancy was associated with increase in blood glucose levels and GDM risk in Chinese. An association was observed of an interquartile range increase in PM2.5 exposure (33.84 and 33.23 μg/m³) with 36% increased odds of GDM during trimester 1 and trimester 2, respectively.