title: Doppler investigation of uteroplacental blood flow resistance in the second trimester: a screening study for pre-eclampsia and intrauterine growth retardation.
authors: R A
authors: RA
authors: Fay
authors: D
authors: D
authors: Ellwood
mesh_terms: D005260:Female; D005317:Fetal Growth Retardation / Q000000981:diagnostic imaging*; D006801:Humans; D010920:Placenta / Q000098:blood supply*; D011225:Pre-Eclampsia / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods; D014463:Ultrasonography; D014599:Uterus / Q000098:blood supply*; D014655:Vascular Resistance