1. Trends in Pre-pregnancy Obesity in Nine States, 1993–2003*
2. Increasing prepregnancy body mass index: Analysis of trends and contributing variables
3. Births: Final data for 2005;National Center for Health Statistics;Natl Vital Stat Rep,2007
4. QuickStats: Percentage of women who gained >40 pounds during pregnancy, by race/ethnicity of mother—United States, 1990, 2000, and 2005;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2008
5. QuickStats: Percentage of women who gained <15 pounds during pregnancy, by age group and race/ethnicity of mother—United States, 2005;Centers for Disease Control and Prevention;MMWR Morbidity and Mortality Weekly Report,2008