Fertility clinics offer young mitochondria in controversial fertility technique0

• SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX
• July 29, 2026

A needle approaches an egg (purple) during in vitro fertilization, which some clinics offer in combination with a procedure called mitochondrial replacement therapy. Credit: Zephyr/Scientific Photo Library A small number of fertility clinics around the world are offering a controversial treatment: a procedure to provide clients’ embryos with donated mitochondria as a way to increase