AUTHOR=Sun Junfang , Sun Mengya , Zhang Lulu , Lai Chunchi , Jiang Hong TITLE=Associations of maternal age with outcomes in very low birth weight singleton infants: a retrospective study JOURNAL=Frontiers in Pediatrics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1444471 DOI=10.3389/fped.2025.1444471 ISSN=2296-2360