title: The umbilical circulation.
authors.affiliation: Department of Obstetrics and Gynaecology, The University of Sydney at Westmead Hospital, Australia.
authors.forename: B J
authors.initials: BJ
authors.lastname: Trudinger
mesh_terms: D001783:Blood Flow Velocity; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D010920:Placenta / Q000098:blood supply; D011247:Pregnancy / Q000502:physiology; D011248:Pregnancy Complications / Q000503:physiopathology; D012039:Regional Blood Flow; D013057:Spectrum Analysis / Q000379:methods; D014463:Ultrasonography; D014469:Umbilical Arteries / Q000502:physiology; D014470:Umbilical Cord / Q000098:blood supply*; D014471:Umbilical Veins / Q000502:physiology; D014655:Vascular Resistance