Backgrounds: Three causes of maternal death worldwide are bleeding, preeclampsia-eclampsia, and infection. Increased risk of seizures by 15-30% during pregnancy. Structural and metabolic changes can trigger the new onset of seizures while pregnant. Neurovascular adaptation during pregnancy includes decreased brain size and volume during pregnancy, increased after childbirth, lateral ventricular size increases, but this hypothesis is still unknown. Objectives : Explaining the Characteristics of Seizures in Pregnancy at dr. Soetomo Hospital Surabaya in 2016-2019 Methods : This study is a retrospective descriptive study on seizures in pregnancy treated at dr. Soetomo Hospital Surabaya during January 2016 - December 2019. The data was obtained from the hospital's medical records. Results: In this study, there were 281 cases of seizures in pregnancy reported at dr. Soetomo Hospital Surabaya in 2016-2019. A total of 32 maternal deaths were related to this case. Most of the patients were caused by eclampsia (81.49%). The onset of seizures occurs most while pregnant (75%). The majority of childbirth, in this case, is carried out by cesarean section (74.4%). Based on CT-Scan, the most results were obtained with normal results (28.8%). Conclusion: Seizures in pregnancy that we found at dr. Soetomo Hospital Surabaya in 2016-2019, where most cases were caused by eclampsia, one of the highest maternal causes of death in Indonesia.