Ultrasonido de una placenta normal - Braxton Hicks
Ultrasonido normal a las 17 semanas de gestación que muestra la placenta durante una contracción normal, denominada contracción de Braxton Hicks, la cual es una de las contracciones que el útero experimenta periódicamente a través del embarazo para facilitar un mejor flujo sanguíneo hacia la placenta y el feto. En este ultrasonido la placenta aparece como un objeto con forma de montículo en el centro de la pantalla y puede observarse un objeto redondeado en la parte inferior de la imagen que corresponde a una vértebra materna. La placenta se ve mucho más aplanada cuando el útero no se está contrayendo.
Revision
Last reviewed 9/12/2011 by Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Redmond, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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