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UK becomes first country to legalise three-parent babies

The UK has become the first country in the world to legalise the creation of in-vitro fertilisation (IVF) babies using DNA from three people after peers overwhelmingly backed the proposals.

The House of Lords voted by 280 to 48, majority 232, on a free vote to throw out a move to block regulations introducing mitochondrial donation techniques after an impassioned debate lasting nearly four hours.

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House of Lords set to vote on triple-DNA babies

Chief Medical Officer Dame Sally Davies is in favour of allowing triple-DNA babies. Credit: Stefan Rousseau/PA Archive

Peers will vote today on historic legislation which would see the UK become the first country in the world to allow creation of in vitro fertilisation (IVF) babies using DNA from three different people.

The chief medical officer for England Dame Sally Davies has urged the House of Lords to approve the amendment to the 2008 Human Fertilisation and Embryology Act and permit the controversial procedures, aimed at preventing serious inherited mitochondrial diseases.

"I want them to consider in the Lords what this is. It's quite separate from the illegal act of changing DNA in the nucleus.

It would give these women their own children and these families hope, and I believe this is right.

We have a very strong regulatory system that would regulate first the service and secondly would review every individual case before they could happen.

– Dame Sally Davies

MPs, including all three main party leaders, voted earlier this month in the Commons to legalise the mitochondrial donation technique, which critics say will lead to "three-parent babies".

Opponents, including church leaders and pro-life groups, have warned that the change has been brought about too hastily and marked the start of a "slippery slope" towards designer babies and eugenics.

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