Wildfire-specific fine particulate matter and preterm birth: a US ECHO Cohort analysis

01/02/2026
Sherris AR, Dearborn LC, Goin DE, Loftus CT, Szpiro AA, Casey JA, Ilango SD, Angal J, Bennett DH, Buxton MA, Camargo CA Jr, Carroll KN, Childs ML, Cioffi C, Croen LA, Dabelea D, Eick SM, Farzan SF, Ferrara A, Garcia E, Gemmill A, Gilliland F, Habre R, Hertz-Picciotto I, Hipwell AE, Hirtz D, Karagas MR, Koinis-Mitchell D, Kress AM, Leve LD, Liang D, Lyall K, McCormack LA, McEvoy CT, Mirzakhani H, Morello-Frosch R, Niu Z, O'Connor TG, Peterson AK, Schmidt RJ, Karr CJ, Padula AM

Exposure to PM2·5 from wildfire smoke during pregnancy has been implicated as a risk factor for preterm birth. We investigated this association in the prospective nationwide US Environmental Influences on Child Health Outcomes (ECHO) Cohort, focusing on prenatal wildfire PM2·5 exposure intensity, duration, and timing.

Type: Children's Health Issue: Air QualityWildfiresInfo For: Health ProfessionalsPEHSU: Region 10Exposure Pathway: Air