Fertility clinics are offering young mitochondria in controversial fertility technique

Nature, Published online: 28 July 2026; doi:10.1038/d41586-026-01935-5Researchers are alarmed that the procedure, which has not been rigorously studied, is being advertised by clinics around the world.

Nature, Published online: 28 July 2026; doi:10.1038/d41586-026-01935-5

Researchers are alarmed that the procedure, which has not been rigorously studied, is being advertised by clinics around the world.