State Preterm Birth Rates (image) March of Dimes Foundation Caption These are the rates of preterm birth by state, final 2006 and preliminary 2007 data. Credit Source: National Center for Health Statistics, 2006 final and 2007 preliminary natality data. Prepared by March of Dimes Perinatal Data Center, March 2009. Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.