objective: to evaluate the impact of eclampsia on maternal and fetal morbidity and mortality. methods: retrospective, descriptive and longitudinal study, that included 102 patients with diagnostic hypertensive distress of pregnancy eclampsia？s type during 2006-2007. a record sheet containing the variables of the study was used. setting: unidad de medicina materno fetal, maternidad "concepcion palacios", caracas. results: during the study period 28 617 deliveries were attended, from which 102 (0.35 %) presented eclampsia. the main symtoms were headache (57.84 %) and hypertension (85.29 %), seizure appreas before delivery in 63.72 %, the main complication was hellp syndrome in 38.23 %. the 80-48 % of the neonates were born alive and perinatal mortality was 18.75 %. conclusion: eclampsia is an important cause of maternal and perinatal morbi-mortaliy.