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American Focus > Blog > Tech and Science > Three-Person Mitochondrial IVF Leads to Eight Healthy Births
Tech and Science

Three-Person Mitochondrial IVF Leads to Eight Healthy Births

Last updated: July 19, 2025 6:20 pm
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Three-Person Mitochondrial IVF Leads to Eight Healthy Births
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A groundbreaking reproductive procedure has resulted in the birth of eight healthy children in the United Kingdom. The technique, known as mitochondrial donation, aims to prevent babies from inheriting deadly conditions caused by mutant mitochondria from their mothers. These children were conceived through a process that involves transferring the nucleus of a fertilized egg with faulty mitochondria into a donor egg cell with healthy mitochondria.

Mitochondrial donation, also referred to as three-person in vitro fertilization (IVF), allows the resulting children to carry nuclear DNA from both biological parents, along with mitochondrial DNA from a separate egg donor. The UK became the first country to explicitly regulate this procedure in 2015 after years of research and debate. Only one clinic in the UK, the Newcastle Fertility Centre, is licensed to perform mitochondrial donation.

The latest studies published in the New England Journal of Medicine provide detailed reports on the Newcastle team’s efforts. A total of 22 women with disease-causing mitochondria underwent a mitochondrial donation procedure called pronuclear transfer, resulting in eight successful births, including a set of twins, and one ongoing pregnancy. These children, four girls and four boys, are all healthy and developing normally. The oldest child is over two years old, while the youngest is under five months.

While most children had no health issues, a few experienced minor conditions that were successfully treated. The success of these births marks a significant milestone in preventing mitochondrial diseases. However, researchers have cautioned that close monitoring of the children’s health is necessary to ensure the levels of pathogenic mitochondria do not pose a risk in the future.

See also  Mild breast tenderness and a little swelling before flow are expected in healthy ovulatory cycles

Although mitochondrial donations have been performed in other countries without explicit regulation, the UK’s approach to overseeing the procedure has set a precedent for safe and effective implementation. As the field of reproductive medicine continues to advance, mitochondrial donation offers hope for families affected by mitochondrial diseases.

TAGGED:BirthshealthyIVFLeadsMitochondrialThreePerson
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