Scientists have identified potential biomarkers in the urine of pregnant women that could lead to a non-invasive testing for those with a serious and complex multi-system disorder called preeclampsia. Are you pregnant? Know what to expect. Preeclampsia occurs in the second half of pregnancy and is characterised by high blood pressure and proteinuria - a significant increase in the normal level of protein in the urine. Women with the condition suffer headaches swelling fainting and other unpleasant and often dangerous symptoms. Ultimately preeclampsia puts the health and life of an expectant mother and her baby at serious risk. The symptoms