The sperm of a man carrying a rare cancer-causing mutation was used to conceive at least 67 children, 10 of whom have since been diagnosed with cancer Is it now time for comprehensive screening of donors and sperm banks - for cancer and other genetic diseases - now that genomic testing has increasingly become affordable and accessible. https://www.theguardian.com/science/2025/may/23/sperm-donor-cancer-risk-children-europe