title: Ultrasonography in the detection of fetal anomalies in early pregnancy.
authors.affiliation: Royal Free and University College Medical School, London.
authors.forename: D L
authors.initials: DL
authors.lastname: Economides
authors.forename: B J
authors.initials: BJ
authors.lastname: Whitlow
authors.forename: J M
authors.initials: JM
authors.lastname: Braithwaite
mesh_terms: D002869:Chromosome Aberrations; D005260:Female; D005333:Fetus / Q000002:abnormalities*; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging / Q000196:embryology*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000379:methods*