Women who were diagnosed with preeclampsia tended also to have a history of chronic high blood pressure gestational diabetes and kidney disease and other medical conditions said study lead author Mary Downes Gastrich Associate Professor at Rutgers University in the US. Approximately two to eight per cent of pregnant women worldwide are diagnosed with preeclampsia a complication characterised by high blood pressure that usually begins after 20 weeks of pregnancy in women whose blood pressure had been normal. Doctors haven't identified a single cause but it is thought to be related to insufficiently formed placental blood vessels. Preeclampsia is also