1. THE COMMONWEALTH FUND Source: McCarthy and Leatherman, Performance Snapshots, 2006. www.cmwf.org/snapshots Prenatal Care in the First Trimester of Pregnancy: Percentage of Mothers of Live-Born Infants, 1970–2004 Data: National Vital Statistics System (National Center for Health Statistics 2005). *The 2004 rate includes only 41 states, the District of Columbia, and New York City; nine states that implemented a revised birth certificate were excluded from the total.

2. THE COMMONWEALTH FUND Source: McCarthy and Leatherman, Performance Snapshots, 2006. www.cmwf.org/snapshots Prenatal Care in the First Trimester of Pregnancy: Percentage of Mothers of Live-Born Infants, 2003 Data: National Vital Statistics System (National Center for Health Statistics 2005). *Rates for two states (PA and WA) that implemented a revised birth certificate in 2003 are not comparable to rates for other states and are not ranked.

3. THE COMMONWEALTH FUND Source: McCarthy and Leatherman, Performance Snapshots, 2006. www.cmwf.org/snapshots Prenatal Care in the First Trimester of Pregnancy: Percentage of Mothers of Live-Born Infants, 2004 Data: National Vital Statistics System (National Center for Health Statistics 2006). *Rates for nine states that implemented a revised birth certificate in 2003 or 2004 (FL, ID, KY, NH, NY except New York City, PA, SC, TN, WA) are not comparable to rates for other states and are not ranked. Data are not available for FL or NH.