PGF and preeclampsia: The proportion of women with clinician diagnosed preeclampsia was not significantly different between the intervention (revealed) and usual care (concealed) in any of the PlGF categories (74% vs 66% for PlGF < 12 pg/ml, 40% vs 37% for PlGF 12–100 pg/ml, and 12% vs 10% for PlGF > 100 pg/ml).