In this randomized controlled trial, the fresh embryo transfer group had a higher rate of live births compared to the frozen ...

In embryo editing, the stakes are extremely high. Unlike somatic editing, any errors will affect every cell and organ in the future child, including during prenatal development. Why CRISPR babies ...

“I was always interested in how cells decide their fate,” Zernicka-Goetz said. In the mouse developing embryo, she previously demonstrated a bias at the two-cell stage: one cell contributed more to ...