Pre eclampsia is one of the complications of pregnancy that can cause mortality both in the
mother and fetus. Many factors can cause pre-eclampsia during pregnancy, including parity,
race, genetic and environmental factors. This study aims to analyze the occurrence of
preeclampsia based on parietas and maternal gestational age. The research method used a
retrospective analytic descriptive study using documentary study for data retrieval. The sample
used was pre-eclampsia patients who gave birth in RSD dr Koesnadi Bondowoso with the
amount of 30 samples. The results showed that most (53.3%) of mothers with preeclampsia were
diagnosed in 20-24 weeks' gestation, with a pregnancy history of primigravida (66.7%). It needs
the support of all parties to make early detection so that mothers do not suffer pre eklamsi.