US Higher Infant Mortality Caused By More Premature Births

High rates of premature birth are the main reason the United States has higher infant mortality than do many other rich countries, government researchers reported Tuesday in their first detailed analysis of a longstanding problem.

From "Premature Births Behind Higher Infant Death Rates in U.S., Report Says" by Denise Grady, The New York Times, November 3, 2009.