Doppler investigation of uteroplacental blood flow resistance in the second trimester: a screening study for pre-eclampsia and intrauterine growth retardation.
Fay
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RA
Ellwood
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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