Original ResearchPublished 7 August 2026Wildfire contributions to prenatal PM 2.5 exposure in the contiguous United States, 2003–2019Menglu Liang · Amir Sapkota · Hao He · Samyam Aryal · Nicole E. Sieck · Michel BoudreauxFrontiers in Environmental Healthdoi 10.3389/fenvh.2026.1838836