%0 Journal Article %T Association of multiple pregnancies with risk of preterm birth in the United States: a retrospective cohort study %A Gao, Ting %A Zhou, Jiayu %A Yang, Lan %A Wang, Tianwei %J Translational Pediatrics %D 2025 %B 2025 %9 %! Association of multiple pregnancies with risk of preterm birth in the United States: a retrospective cohort study %K %X %U https://tp.amegroups.org/article/view/138649 %V 14 %N 5 %P 915-926 %@ 2224-4344