The method's aimed at preventing hereditary mitochondrial disease, which can be fatal.
Four boys and four girls have been born through the technique pioneered by UK scientists.
Professor Sir Doug Turnbull is from the team at Newcastle University who developed it.
IN: "The child...
OUT: ...mitochondria."
DUR: 14 seconds
http://www.fsnradionews.com/feeds/1707dna-turnbull1.mp3