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SOME clinics in the US would continue to use sperm from a donor even if
babies had been born with abnormalities that suggested his sperm was genetically
flawed, researchers in North Carolina have found. They are now calling for
guidelines to be introduced.

About 30,000 babies are born by donor insemination in the US each year. Some
1.9 per cent have a structural or chromosomal abnormality. This is actually
lower than the rate in the general population, because of careful donor
screening, but devastating to the parents all the same.

Jeffrey Kuller and his colleagues at the University of…

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