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Ultrasound of the First Trimester
Peter S Wang1, Shuchi K Rodgers1, Mindy M Horrow1
1Department of Radiology, Einstein Medical Center, 5501 Old York Road, Philadelphia, PA 19141, USA.
Abstract:
Ultrasound is the imaging study of choice for detection and full characterization of early pregnancies based on its accuracy, low cost, safety profile, and abundant availability. This article reviews the goals and utility of first-trimester ultrasound in gestation localization, viability determination, and abnormal pregnancies, including ectopic implantation, retained products, and molar pregnancy.
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