Quantification of the sFlt-1/PlGF ratio, derived from Elecsys® sFlt-1 and Elecsys PlGF immunoassay (Roche Diagnostics, Mannheim, Germany) results, has been shown to be a useful biomarker test for aiding the diagnosis and short-term prediction of preeclampsia [15–22]. Here, PGF is linked to preeclampsia.