
newsair pollutionPM2.5
Early Pregnancy Matters: PM2.5 Exposure Linked to Reduced Birth Weight in Large-Scale ECHO Cohort
By MedXY|Feb 14, 2026
A retrospective analysis of the ECHO cohort reveals that prenatal exposure to fine particulate matter (PM2.5) is associated with lower birth weight for gestational age, with critical windows of susceptibility identified as early as the firs
