RETIRED: The use of first trimester ultrasound.
This document has been archived because it contains outdated information.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.
Demianczuk
Nestor N
NN
FRCSC, Edmonton, AB, Canada.
Van Den Hof
Michiel C
MC
Farquharson
Duncan
D
Lewthwaite
Barbara
B
Gagnon
Robert
R
Morin
Lucie
L
Salem
Shia
S
Skoll
Amanda
A
D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal / Q000379:methods