JUNE 24, 2024 by University of Copenhagen Credit: Cell (2024). DOI: 10.1016/j.cell.2024.05.051An unexpectedly versatile and regenerative stem cell in early embryos may be key to creating new effective fertility treatments, suggests a new study in mice from the University of Copenhagen. The paper, titled “The primitive endoderm supports linage plasticity to enable regulative development,” was...