Hokkaido University Mar 31 2026 For more than four decades, in vitro fertilization (IVF) has helped families have children. Scientists estimate that more than 10 million people worldwide have been born through IVF and related assisted reproductive technologies, according to the International Committee for Monitoring Assisted Reproductive Technologies. As part of these procedures, prospective parents may choose to genetically test embryos before implantation in the uterus. This process, known as