PGF and preeclampsia: PlGF was also shown to be more predictive for early preeclampsia[12-14, 17, 19, 20]; LR + 6.05 (5.55, 6.55), LR- 0.48 (0.43, 0.52), sensitivity 56 % (52 %, 61 %), specificity 91 % (89 %, 92 %).