David Yiu Leung Chan

Study questionWhat is the incidence of triploidy and genome-wide uniparental disomy (gwUPD) in human embryos currently undetected by conventional preimplantation genetic testing (PGT)?Summary answerTriploidy and gwUPD were detected in 0.8% …

Ovarian hyperstimulation syndrome (OHSS) is a severe complication of controlled ovarian hyperstimulation (COH) during in vitro fertilization (IVF) treatment, characterized by increased capillary permeability.Vascular endothelial growth fact…

Infertility is associated with the alteration of the seminal microbiome. However, the onset of dysbiosis remains controversial and the involvement of host factors remains elusive. This study investigates the alterations of the seminal micro…

Myostatin (MSTN) is member of the transforming growth factor β (TGF-β) superfamily and was originally identified in the musculoskeletal system as a negative regulator of skeletal muscle growth. The functional roles of MSTN outside of the mu…

BackgroundHuman reproduction follows a seasonal pattern with respect to spontaneous conception, a phenomenon wherein the effect of meteorological fluctuations might not be unique. However, the effect of seasonal variations on patients who u…