Britain welcomes first babies born using DNA from three people

Britain has welcomed its first babies born using DNA from three people through a pioneering medical technique aimed at preventing inherited genetic diseases.

23 December 2025
Britain welcomes first babies born using DNA from three people

In a groundbreaking medical development, Britain has welcomed its first babies born using an experimental technique that combines DNA from three people, a method designed to prevent the transmission of rare and serious genetic diseases.

The Human Fertilization and Embryology Authority (HFEA) confirmed the births, noting that fewer than five babies have been born this way in the U.K., while respecting the privacy of the families involved.

The technique, known as mitochondrial donation, allows women with faulty mitochondria the energy-producing structures within cells to have healthy children.

For these families, the procedure offers hope: it prevents the inheritance of debilitating conditions such as muscular dystrophy, epilepsy, heart problems, and intellectual disabilities, which can profoundly affect children’s lives.

About one in 200 children in the U.K. is born with a mitochondrial disorder.

The process involves transferring the mother’s genetic material into a donor egg or embryo with healthy mitochondria.

The resulting embryo contains less than 1% of genetic material from the donor, and is then implanted in the mother’s womb. The aim is not to alter a child’s appearance or abilities, but to give families the chance at a healthy life for their children.

While the technique offers hope, experts emphasize careful monitoring of these children as they grow. Robin Lovell-Badge, a stem cell specialist, highlighted the importance of ensuring that the babies remain free of disease and that any risks are understood.

Past research shows that children born through similar techniques are developing well, demonstrating that this innovation has the potential to transform lives without compromising safety.

This advancement reflects a compassionate application of science placing the well-being of children and families at the center.

For parents facing the heartbreak of inherited genetic diseases, mitochondrial donation provides a chance to nurture their children in good health, offering a future filled with hope, opportunity, and the promise of life unburdened by inherited illness.