Scientists at the Institute for Bioengineering of Catalonia and Dexeus University Hospital have captured the first real-time, three-dimensional recordings of human embryo implantation. Using a synthetic collagen matrix mimicking uterine tissue, researchers visualized the embryo's biomechanical interactions during attachment. These insights into a critical reproductive stage may illuminate causes of implantation failure, a major infertility factor, and aid advancements in in vitro fertilization techniques. Comparative studies with mouse embryos highlighted conserved mechanobiological mechanisms.