The first baby, created from three genetic parents, has been born in the UK. The breakthrough is aimed at stopping a mother passing on defective genes to a child. But there are still plenty of unknowns about long-term outcomes and what these changes could mean for subsequent generations.
The pioneering IVF procedure known as mitochondrial donation therapy (MDT) could prevent children from being born with devastating mitochondrial diseases. Madeleine Finlay speaks to Prof Darren Griffin, an expert in genetic diseases and reproduction, about how MDT works, the ethical considerations attached, and what techniques like it could mean for the future of reproduction. Help support our independent journalism at
theguardian.com/sciencepod