A Danish sperm donor with a cancer mutation has fathered at least 67 children across Europe, raising concerns about sperm donation laws. The donor carried a variant of the TP53 gene linked to increased cancer risk, affecting 23 of the children, with 10 developing cancer. The case highlights the inconsistencies in sperm donation policies across Europe, where limits on the number of children per donor vary significantly. Experts call for a European framework to regulate sperm donation and address genetic disease risks. Teljes cikk (Euronews.com)