Department of Public Health, Norwegian University of Science and Technology, Trondheim, Norway; Department of Endocrinology, Trondheim University Hospital, Trondheim, Norway.
To study whether human chorionic gonadotropin concentrations during pregnancy or combinations of human chorionic gonadotropin and other angiogenic factors, soluble fms-like tyrosine kinase 1 and placental growth factor (PlGF), are associated with preeclampsia risk.