MIT Technology Review

Recent developments in reproductive technology have brought the birth of eight babies in the UK using an innovative method known as three-person IVF. This technique merges DNA from two biological parents with healthy mitochondrial DNA from a third donor, aiming to curb mitochondrial diseases.
In a trial conducted by Newcastle University, the process reduced disease-causing mutations by 77-100%, although some mixed results were noted. Despite a significant reduction in mutations, three of the babies experienced health issues, and some still carried low levels of mutated mitochondria due to an unexpected ‘reversal’ phenomenon. The researchers plan to follow the health and development of these children until they reach five years of age, offering hope but also prudence in evaluating the long-term effectiveness of this technique.
While the births in the UK are a significant milestone, this isn’t the first successful application of three-person IVF. Since the 1990s, several countries have witnessed the birth of dozens of babies through various adaptations of this method, beginning with pioneering efforts in New Jersey.
This technology, while promising, underscores the complexities laboratory environments must manage, as some infants may inherit mutated mitochondria despite the procedure’s intent. As the method evolves, experts hold cautious optimism about its potential to eradicate mitochondrial diseases, though further improvements in the technique are necessary.
Accompanying these scientific strides, a report from the Brookings Institution has mapped the distribution of AI companies across U.S. regions, providing insights likely to shape future technological development landscapes. Meanwhile, broader technology discussions continue, ranging from the defense of the life-saving benefits of air conditioning against its environmental costs to policy debates, including the effects of the Trump administration’s science policies and proposed foreign aid cuts.
These topics underscore a period of dynamic technological evolution, where groundbreaking research like three-person IVF continues to push the boundaries of health science, shaping futures with both innovation and cautious consideration.

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Newcastle University researchers successfully used three-person IVF to birth eight babies in the UK, combining DNA from two parents with healthy mitochondrial DNA from a donor to prevent mitochondrial diseases. The technique reduced disease-causing mutations by 77-100%, though three babies experienced health issues and some retained low levels of mutated mitochondria due to an unexpected 'reversal' phenomenon. While this marks a significant milestone, the technology has been used since the 1990s in various countries, and researchers will monitor these children until age five to evaluate long-term effectiveness.

Advancing Three-Person IVF: A New Chapter in Mitochondrial Disease Prevention

Hey mom how was I born? - Well, … Emm there was a tiny pipette, mitochondria and… Ehh. It was a thresome.