Introduction: Eclampsia is one of the most severe complications of preeclampsia in pregnancy. Objectives: To identify the epidemiological, clinical and maternal fetal complications of women suffering of eclampsia at 2 700 meters above sea level. Design: Descriptive study. Setting: Service of Gynecology and Obstetrics, Hospital Regional de Cajamarca, Peru. Participants: Women with diagnosis of eclampsia and their fetuses and newborns. Methods: Study of 28 cases of women with diagnosis of eclampsia of a total of 3 128 deliveries attended between January 2012 and December 2012, at 2700 meters above sea level. Main outcome measures: Maternal and fetal characteristics. Results: Incidence of eclampsia was 0.9%, one case for each 113 deliveries. Main age of women with eclampsia was 23.3 +- 6.5 years; 46.4% carried their first pregnancy, origin was rural in 71.4%; 46.4% had over 6 prenatal contr...