This report presents a comprehensive evaluation of the quality and utility of data collected under the Perinatal National Minimum Data Set. The aim of the evaluation was to determine whether the data collection suits current requirements and to identify changes required to improve data quality and consistency. Recommendations for modifications to existing data elements and proposals for new data elements are discussed. The report is a useful resource for state and territory data providers, students, researchers, and all other users of data based on this National Minimum Data Set.