Material and Method
Subjects
This was a case control study at the
Department of Obstetrics and Gynecology, King
Chulalongkorn Memorial Hospital, Faculty of
Medicine, Chulalongkorn University, Bangkok,
Thailand between June 2008 and May 2009. The
present study was approved by the Research Ethics
Committee of the Faculty of Medicine.
Pregnant women with gestational age of at
least 22 weeks who delivered at the Department of
Obstetrics and Gynecology during the study period
were included. Subjects were divided into two groups.
Cases were those diagnosed with preeclampsia.
Controls were normotensive pregnant women who
delivered consecutively after preeclamptic pregnant
women. Pregnancies complicated with chromosomal
or structural anomalies were excluded.