title: RETIRED: Obstetric ultrasound biological effects and safety.
abstract: This document has been archived because it contains outdated information.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.forename: Stephen
authors.initials: S
authors.lastname: Bly
authors.forename: Michiel C
authors.initials: MC
authors.lastname: Van den Hof
mesh_terms: D002170:Canada; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D011247:Pregnancy; D012449:Safety; D016216:Ultrasonography, Prenatal / Q000009:adverse effects / Q000592:standards*