Prenatal exposure to PM2.5 components and fetal growth: identifying critical gestational weeks and key toxic components in a Chinese birth cohort.
The findings identify gestational Weeks 12-15 for BC exposure and Weeks 5-12 and 22-24 for NO3- exposure as critical vulnerable windows for adverse fetal development associated with PM2.5 components, which support the need for further research into component-specific air-quality guidelines targeting sensitive gestation...