PGF and preeclampsia: The cutoff value of >85 as a predictor of preeclampsia severity and complications, such as preterm birth, was also used by Soundararajan [30] in the Real life outpatient biomarker use in management of hypertensive pregnancies in third trimester in a low resource SeTting (ROBUST) study, who found that pregnant women who displayed ratio values > the cutoff had a significant risk (p < 0.001) of developing severe preeclampsia (90.9% vs. 8% in the case of women with sFlt-1/PlGF values of <33) associated with preterm birth (32.6 weeks compared to 37.4 weeks, in the case of low-risk pregnancies).