AUTHOR=Peng Cuiting , Chen Han , Zhou Fan , Yang Hong , Li Yutong , Keqie Yuezhi , Zhao Xu , Wang He , Hu Ting , Liu Shanling , Ren Jun , Chen Xinlian TITLE=Molecular diagnosis and preimplantation genetic testing for chromosome 1q21.1 recurrent microduplication JOURNAL=Frontiers in Genetics VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2025.1522406 DOI=10.3389/fgene.2025.1522406 ISSN=1664-8021