OBJECTIVE This guideline reviews the clinical indications for first trimester ultrasound. OUTCOME Proven clinical benefit has been reported from first trimester ultrasound. EVIDENCE A Medline search and bibliography reviews in… Click to show full abstract
OBJECTIVE This guideline reviews the clinical indications for first trimester ultrasound. OUTCOME Proven clinical benefit has been reported from first trimester ultrasound. EVIDENCE A Medline search and bibliography reviews in relevant literature provided the evidence. VALUES Content and recommendations were reviewed by the principal authors and the Diagnostic Imaging Committee of the Society of Obstetricians and Gynaecologists of Canada. Levels of evidence were judged as outlined by the Canadian Task Force on Preventive Health Care. RECOMMENDATIONS
               
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