The article "The year in review: 2024 signals a new era in reproductive medicine" from the Journal of Assisted Reproduction & Genetics discusses the advancements and challenges in reproductive medicine and genetics in the past year. It highlights the complexities of aging, particularly ovarian aging, and the role of stem cells in reproductive medicine, including in vitro gametogenesis and stem cell-based models of early human development. The article emphasizes the need for continued research to improve safety, efficacy, and affordability in assisted reproductive technologies.