The study aimed at to analyze the tendency of the mortality perinatal in the municipal district of Belo Horizonte in the period from 1984 to 2005. The source of the data was the System of Information of Mortality. Took place simple lineal regression to esteem the tendency of reduction of the percentile of unknown information in the system and of the mortality taxes. The improvement of the quality of the information went significant just for the maternal education and weight when being born. The medium reduction of the mortality perinatal in the period was of 57,52%. The decrease of the mortality perinatal in the last two decades in Belo Horizonte it was significant, but efforts should be addressed in the sense of improving the complete of the System of Information of Mortality for important variables in the elaboration of the indicators perinatais.
Perinatal mortality; Information systems; Statistical analysis; Death certificates; Public health nursing
