title: RETIRED: The use of first trimester ultrasound.
abstract: This document has been archived because it contains outdated information. It should not be consulted for clinical use, but for historical research only. Please visit the journal website for the most recent guidelines.
authors.affiliation: FRCSC, Edmonton, AB, Canada.
authors.forename: Nestor N
authors.initials: NN
authors.lastname: Demianczuk
authors.forename: Michiel C
authors.initials: MC
authors.lastname: Van Den Hof
authors.forename: Duncan
authors.initials: D
authors.lastname: Farquharson
authors.forename: Barbara
authors.initials: B
authors.lastname: Lewthwaite
authors.forename: Robert
authors.initials: R
authors.lastname: Gagnon
authors.forename: Lucie
authors.initials: L
authors.lastname: Morin
authors.forename: Shia
authors.initials: S
authors.lastname: Salem
authors.forename: Amanda
authors.initials: A
authors.lastname: Skoll
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal / Q000379:methods