Sperm from the donor was used to conceive at least 67 children from 46 families.
Mandatory Credit: Salah Uddin/iStockphoto/Getty Images via CNN Newsource
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Sperm donor with rare genetic mutation fathered 67 children. Ten now have cancer, prompting calls for reform
The sperm of a man carrying a rare genetic mutation linked to cancer was used to conceive scores of children across Europe, prompting calls for greater regulation and a limit on the number of births allowed from a single donor.
