In a historic first for medical science, doctors in the United Kingdom have successfully delivered eight healthy babies using a pioneering fertility procedure known as three-parent IVF. This groundbreaking technique, formally called mitochondrial donation treatment (MDT), is designed to prevent the transmission of debilitating genetic diseases by replacing faulty mitochondrial DNA.
The process involves combining genetic material from three individuals: the mother’s egg, the father’s sperm, and a donor’s healthy mitochondria. While 99.8% of the child’s DNA comes from the biological parents, a tiny fraction, less than 0.2%, is contributed by the mitochondrial donor.
This small but crucial change prevents the inheritance of life-threatening mitochondrial disorders, which can cause conditions like muscle weakness, organ failure, and neurological decline.
According to reports from The Times of India and The Guardian, the procedure was carried out under strict regulatory approval from the UK’s Human Fertilisation and Embryology Authority (HFEA), which oversees advanced fertility treatments. The UK first legalized this method in 2015, becoming the first country in the world to regulate and authorize mitochondrial donation formally.
Experts are hailing the births as a landmark moment in reproductive medicine. Professor Dagan Wells, a geneticist interviewed by multiple media outlets, described the achievement as “a major leap forward” for families at risk of passing on devastating genetic illnesses.
While the procedure is still considered experimental and raises ethical questions, the successful births signal hope for families affected by mitochondrial disease worldwide. As research continues, this technique could become a standard option for preventing inherited genetic disorders, changing the landscape of fertility treatment for future generations.