AUTHOR=Xie Han , Ying Hao TITLE=Editorial: Advance in translational research of preterm birth and related pregnancy JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.1047649 DOI=10.3389/fphar.2022.1047649 ISSN=1663-9812