title: Reply.
authors.affiliation: Harris Birthright Research Centre for Fetal Medicing, King's College Hospital, London, UK.|Fetal Medicine Unit, Medway Maritime Hospital, Gillingham, Kent, UK.
authors.forename: R
authors.initials: R
authors.lastname: Akolekar
mesh_terms: D005260:Female; D005333:Fetus / Q000098:blood supply*; D006801:Humans; D000068097:Maternal Health; D020768:Middle Cerebral Artery / Q000000981:diagnostic imaging* / Q000196:embryology*; D011247:Pregnancy; D011256:Pregnancy Outcome; D014463:Ultrasonography; D014469:Umbilical Arteries / Q000000981:diagnostic imaging* / Q000502:physiology*