To analyze the main characteristics of low birth weight infants that deceasedin Cuiabá, Mato Grosso. A study conducted from a cohort composed of live infants with birth weight of 500 -2499 grams who progressed to death before completing 28 days of life. The data were obtainedfrom the Live Births Information System and Mortality Information System. Of the 3,404 studied newborns, 238 progressed to death (7.0%). P...