Identifying mild and severe preeclampsia in asymptomatic pregnant women by levels of cell‐free fetal <scp>DNA</scp>

Women with cffDNA levels below the 5th percentile and above the 90th percentile quantified at 25 weeks' gestation are at increased risk of developing preeclampsia. Adding PAPP-A levels to the analysis did not increase the DR of preeclampsia.