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Canadian Fertility Experts: Limit Pregnancies by Same Sperm Donor
With one Toronto man estimating he has up to 1,000 half-siblings, some fertility-treatment experts are calling on Canada to legally restrict how many children can be born from a single donor’s semen. The growing families of donor offspring could cause unusual spread of genetic malformations, raise the risk of inadvertent incest between biological brothers and sisters and prove emotionally taxing to the children, critics say. Various reports on the infertility industry, including the 1993 federal Royal commission on new reproductive technology and an earlier B.C. commission, have actually been recommending limits of as few as six pregnancies per donor for the last 30 years, she said.