AUTHOR=Guo Bingbing , Jiang Xinye TITLE=Association between atmospheric particulate matter pollution during pregnancy and premature birth in China: a meta-analysis JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1474134 DOI=10.3389/fpubh.2025.1474134 ISSN=2296-2565