`` Wherever trend data are available , rates of preterm birth are increasing , '' the report said . March of Dimes : Nearly 10 percent of world 's births are premature . More than 85 percent of premature births are in developing parts of Africa , Asia . But North America has world 's second-highest premature birth rate . Comment:
March of Dimes : Nearly 10 percent of world 's births are premature . More than 85 percent of premature births are in developing parts of Africa , Asia . But North America has world 's second-highest premature birth rate . Comment: