Coverage dated December 9, 2025 to December 10, 2025

Sperm Donor With Rare Cancer-Risk Gene Fathers Nearly 200 Children

Headline from Science Alert

A sperm donor, who is an asymptomatic carrier of a genetic mutation increasing the risk of cancer, was used to conceive nearly 200 children worldwide, Denmark's public broadcaster revealed Wednesday.

Science Alert's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Reports & sources

11 articles, oldest first.

  1. Gizmodo

    Sperm Donor With a Cancer-Causing Gene Fathered at Least 197 Kids (opens Gizmodo)

    Published

    Gizmodo's feed description

    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.

  2. CBS News

    Sperm donor with cancer-causing gene fathered nearly 200 children across Europe, investigation finds (opens CBS News)

    Published

    CBS News's feed description

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

  3. CNN

    At least 197 children were fathered by sperm donor with cancer-causing gene. Some have already died (opens CNN)

    Published

    CNN's feed description

    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 a new investigation.

  4. Deutsche Welle

    Sperm bank sold man's cancer-linked genes across Europe (opens Deutsche Welle)

    Published

    Deutsche Welle's feed description

    In 2023, a prolific donor to a Danish sperm bank was found to carry a genetic mutation that can contribute to childhood cancers. Some parents were never warned, an investigation by DW and European partners has found.

  5. East Idaho News

    At least 197 children were fathered by sperm donor with cancer-causing gene. Some have already died. (opens East Idaho News)

    Published

    East Idaho News's feed description

    (CNN) — 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 a new investigation.

  6. New York Post

    Sperm donor with hidden cancer gene conceives nearly 200 kids (opens New York Post)

    Published

    New York Post's feed description

    A sperm donor who unknowingly carried a cancer-causing genetic mutation helped conceive nearly 200 children across Europe, leading to multiple childhood illnesses and early deaths.

  7. Science Alert

    Sperm Donor With Rare Cancer-Risk Gene Fathers Nearly 200 Children (opens Science Alert)

    Published

    Science Alert's feed description

    A sperm donor, who is an asymptomatic carrier of a genetic mutation increasing the risk of cancer, was used to conceive nearly 200 children worldwide, Denmark's public broadcaster revealed Wednesday.

  8. The World from PRX

    The implications of a sperm donor carrying a rare cancer-causing gene (opens The World from PRX)

    Published

    The World from PRX's feed description

    A sperm donor whose genetic material was used to conceive nearly 200 children in at least 14 European countries didn’t know he carried a mutation that increases the risk of cancer. Deutsche Welle, DW, investigative journalist Naomi Conrad joined Host Carolyn Beeler to discuss the obligations sperm b…

  9. The World from PRX

    The implications of sperm donors carrying cancer-causing genes (opens The World from PRX)

    Published

    The World from PRX's feed description

    A sperm donor whose genetic material was used to conceive nearly 200 children in at least 14 European countries has discovered he carries a mutation that increases the risk of cancer. Also, India’s mango farmers are racing to adapt to changing markets and a changing climate.

  10. Fox News

    Sperm donor with hidden cancer gene fathers nearly 200 kids, families blindsided (opens Fox News)

    Published

    Fox News's feed description

    A sperm donor's hidden genetic mutation was linked to cancer risk in nearly 200 children across Europe, with 10 already diagnosed and some deaths reported.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

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