Author Interviews, CDC, OBGYNE / 04.11.2016 Interview with: Cynthia Ferre MA PhD Division of Reproductive Health National Center for Chronic Disease Prevention and Health Promotion CDC What is the background for this study? Response: Reductions in births to teens and preterm birth rates are two recent public health successes in the United States. To date, however, we haven’t had data to indicate whether these two declines are associated. So, we used age-specific data on trends in births overall and in preterm births to determine the effects of changes in maternal age on preterm birth. (more…)