Canadian Fertility Doctor Decries IVF Legacy of Multiple Births

In a medical field fraught with controversy, the creation of countless twins, triplets and beyond is perhaps the most pressing issue. The number of multiple births in Canada surged 45 percent to almost 12,000 a year between 1991 and 2008, according to Statistics Canada, even as the number of single births dropped. Often born early and at a low weight, multiples are at much greater risk of delivery complications and birth defects.

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