• Centers for Disease Control and Prevention (CDC).
• MMWR Morb. Mortal. Wkly. Rep. 2003 Oct 24; 52 (42): 1012-6.

AbstractAlthough the overall U.S. infant mortality rate (IMR) declined dramatically during the 1900s, striking racial/ethnic disparities in infant mortality remain. Infant health disparities associated with maternal place of birth also exist within some racial/ethnic populations. Eliminating disparities in infant health is crucial to achieving the 2010 national health objective of reducing the infant death rate to 4.5 per 1,000 live births (objective 16-1c). Hispanics comprise the largest racial/ethnic minority population in the United States. Among U.S. Hispanics, considerable heterogeneity exists in infant health, with the poorest outcomes reported among Puerto Rican infants. This report compares trends during the previous decade in IMRs and major determinants of these rates such as low birthweight (LBW), preterm delivery (PTD), and selected maternal characteristics among infants born to Puerto Rican women on the U.S. mainland (50 states and the District of Columbia) with corresponding trends among infants born in Puerto Rico. The findings indicate that despite having lower prevalence of selected maternal risk factors, Puerto Rico-born infants are at greater risk for LBW, PTD, and infant death than mainland-born Puerto Rican infants. This report also highlights a persistent disparity in IMRs and an emerging disparity in LBW and PTD rates between Puerto Rico-born infants and mainland-born Puerto Rican infants. Future research should focus on identifying factors responsible for these disparities to improve infant health in Puerto Rico.

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