Plasma FABP4 concentrations were analyzed blinded to their preeclampsia status with BioVendor Human AFABP ELISA (Cat. No: RD191036200R, Biovendor, Modrice, Czech Republic) in our study. The manufacturer reports a normal range of 19.58 \u00b1 16.32 ng\/mL (mean \u00b1 2 SD) for 35- to 52-year-old women. The limit of detection of the FABP4 ELISA assay is 0.05 ng\/ml. The antibodies used in this ELISA are specific for human AFABP according to the manufacturer.