Pre-eclampsia can develop suddenly, usually in the second half of a woman's pregnancy. The condition can lead to a more serious disease called eclampsia that can cause convulsions in pregnant women and result in death of both the mother and child. Researchers at Harvard University and Beth Deaconess Hospital in Boston have identified a marker or substance in the blood that appears to increase the risk of pre-eclampsia in women.
Source: tatoeba (12286008)