the relation between abo blood group and pre-eclampsia in primipara women

Background and aims: preeclampsia is one of the causes of maternal mortality whose leading cause is still unknown. this study was conducted to investigate the relation between blood group and pre-eclampsia in primipara women. materials and methods: this case-control study was performed on 100 pirmipara women in gonabad city. the samples were assigned, by census, sampling method, into two groups of case (with pre-eclampsia) and control (without pre-eclampsia). the data were analyzed using descriptive statistics and chi-square through spss software version 16. results and conclusions: the incidence of preeclampsia in the blood group of a, b, ab, and o were 36%, 34%, 22%, and 8%, respectively. also, there was a significant difference between blood group o and blood group non-o to preeclampsia (p<0.001). the findings showed that the women with a and b blood types require special care with an emphasis on controlling and preventing the factors which cause hypertension/preeclampsia during pregnancy