NavGeneral InfoEmail Print Original or alternative title Pregnancy Nutrition Surveillance System (PNSS) Geography United States of America (USA) Coverage type Country Time period covered 01/1979 - 12/2010 Data type Survey: Household Summary United States Pregnancy Surveillance System 1979-2008 Citation Contributors Centers for Disease Control and Prevention (CDC) Suggested citation Centers for Disease Control and Prevention (CDC). United States Pregnancy Surveillance System 1979-2008. GHDx Entry last modified on: Mar 7, 2022