Fig. 1From: First trimester serum placental growth factor and hyperglycosylated human chorionic gonadotropin are associated with pre-eclampsia: a case control studyReceiver operating characteristics curves for early-onset pre-eclampsiaReceiver operating characteristics (ROC) curves for the MoMs of serum markers (a) and their combinations with maternal clinical risk factors (b) for the prediction of early-onset pre-eclampsia (diagnosed <34Â weeks of gestation)Back to article page