Inclusion Criteria:  Age no less than 18 years Singleton pregnancy with cephalic presentation and no contraindication to vaginal delivery Live fetus Screened high-risk for PE Informed and written consent  Exclusion Criteria:  Multiple pregnancy Pregnant women who plan to have Cesarean delivery Pregnancies complicated by the major fetal abnormality Women who are severely ill, those with learning difficulties, or serious mental illness Pregnant women with medical, obstetric, or fetal complications or any other indications for delivery before 39 weeks' gestation