corinna's twin boys -- maarten, left, and linus -- were the first humans to be treated for their genetic disorder while still inside the womb.
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the total amount paid out in critical illness claims was £75.19m, with cancer accounting for 74 per cent of claims from women, mainly breast cancer, alongside 51 per cent from men.
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it's the first successful medical treatment of a human fetus for the underlying cause of a genetic disorder, experts say
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