AUTHOR=Wang Yufeng , Wan Qin , Lu Xiaohui , Li Lingjun , Wang Huihui , Chen Li , Dai Xiuliang 

TITLE=The transfer of double morphologically good Day 5 blastocysts increases the risk of clinical pregnancy loss in singleton pregnancies following frozen-thawed embryo transfer

JOURNAL=Frontiers in Endocrinology

VOLUME=Volume 16 - 2025

YEAR=2025

URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1508014

DOI=10.3389/fendo.2025.1508014

ISSN=1664-2392