* Preeclampsia is a pregnancy-related disorder that occurs in about 6% of all pregnancies.
* In its mild for, preeclampsia involves high blood pressure. More severe forms of preeclampsia can lead to more serious pregnancy complications.
* At this time, there is no known way to prevent preeclampsia, and the cause is not known. The only treatment is delivery of the baby, even if it is premature, in order to decrease the risk to the mother.
* The purpose of this study is to figure out some of the differences in bodily function between women who have preeclampsia and those who do not. This may eventually lead to an understanding of its cause.
