AUTHOR=Liu Chang , Pan Peipei , Li Beihai , Teng Yili TITLE=A nomogram model to predict the high risk of lower live birth probability in young women undergoing the first IVF-ET cycle: a retrospective study JOURNAL=Frontiers in Endocrinology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2024.1401385 DOI=10.3389/fendo.2024.1401385 ISSN=1664-2392