A genetic mutation that carries a 90% cancer risk has been passed on by an unwitting sperm donor to dozens of children, a ...

Some children have already died and only a minority who inherit the mutation will escape cancer in their lifetimes.

A sperm donor with a rare genetic mutation linked to an increased risk of developing cancer fathered at least 197 children across Europe, some of whom have already died from the disease, according to ...

European fertility clinics used cancer-causing sperm for 17 years, prompting urgent calls for genetic screening reforms and international donor limits.

Nearly 200 children have been conceived using sperm from a donor with a cancer-causing gene, an investigation in Europe has revealed.

A SPERM donor who unknowingly carried a cancer-causing gene has fathered at least 197 children across Europe, some of whom have already died. Only a small number of those who inherit the mutation ...

The mutation gives a person up to a 90% lifetime chance of developing various cancers, often in childhood or early adulthood.

A sperm donor with a dangerous genetic mutation linked to cancer has fathered at least 197 children. Investigation revealed 23 children carry the mutation, with ten having developed cancer.

A rare genetic mutation that increases cancer risk by 90% has been passed on by an unknowing donor, whose sperm was used to conceive almost 200 children across Europe.

Because only part of the man's sperm carried the mutation, only the second round of genetic testing revealed the problem. By then, it was already too late.

A single sperm donor whose sperm contains a cancer-causing gene has fathered almost 200 children in Europe, an investigation ...