title: Assessment of fetal anatomy at 12 to 13 weeks of gestation by transabdominal and transvaginal sonography.
authors.affiliation: University Department of Obstetrics and Gynaecology, The Royal Free Hospital, London, UK.
authors.forename: J M
authors.initials: JM
authors.lastname: Braithwaite
authors.forename: M A
authors.initials: MA
authors.lastname: Armstrong
authors.forename: D L
authors.initials: DL
authors.lastname: Economides
mesh_terms: D005260:Female; D005333:Fetus / Q000033:anatomy & histology*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal