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Are Twins Taking Over?
According to the latest data from the Centers for Disease Control and Prevention the U.S. twin rate has skyrocketed from one pair born out of every 53 live births in 1980 to one out of every 31 births in 2008. Where are all these double-babies coming from? And what's going to happen in years to come—will the multiple-birth rate continue to grow until America ends up a nation of twins?