Sperm from a single donor in Europe has reportedly been used to conceive at least 67 pregnancies, although the donor carried a rare cancer-causing mutation. The donor’s mutation has been linked to ...

Some men are having vast numbers of children through sperm donation. This week the BBC reported on a man whose sperm contained a genetic mutation that dramatically raises the risk of cancer for some ...

CAPE TOWN, South Africa (AP) — For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, hoping conservationists never have to use ...

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 ...