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Birth data track important demographic and health trends, such as pregnancy risk factors, teen pregnancy, and preterm birth

Data from death certificates are the most comprehensive source of information on mortality, including cause of death

Fetal death data can help identify pregnancy risks and improve the health of mothers and infants

Linked birth/infant death data are used to explore relationships between infant death and risk factors present during pregnancy and at birth

Life expectancy data provide a snapshot of population health and mortality in the United States

Information on the total numbers and rates of marriages and divorces is collected at the national and state levels