Dr. Boyang Liu is an Associate Professor at the Hospital for Reproductive Medicine Affiliated to Shandong University, China. He received his doctoral degree in Developmental Biology from the University of Göttingen, Germany. His research focuses on the regulatory mechanisms of early embryonic development, with particular interest in metabolic regulation in preimplantation embryos, lineage specification during the peri-implantation period, and developmental abnormalities associated with pregnancy failure and reproductive disorders. He has published more than 20 SCI-indexed papers and remains active in scholarly publishing, peer review, and editorial service in the fields of reproductive medicine, developmental biology, and maternal–fetal health.