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Am J Perinatol 1992; 9(5/06): 344-347
DOI: 10.1055/s-2007-999261
DOI: 10.1055/s-2007-999261
ORIGINAL ARTICLE
© 1992 by Thieme Medical Publishers, Inc.
Transvaginal Sonography at 5 to 14 Weeks' Gestation: Fetal Stomach, Abnormal Cord Insertion, and Yolk Sac
Further Information
Publication History
Publication Date:
04 March 2008 (online)
ABSTRACT
Transvaginal ultrasound evaluation of the fetal digestive system was performed on 1000 fetuses at 5 to 14 weeks' gestation. The normal physiologic process of the midgut herniation into the cord as well as the embryonal connection between the yolk sac and fetus were detected. Peristalsis of the stomach was noted as early as 14 weeks' gestation. Because gastric emptying is probably improper at this age, gastric pseudomasses were visualized in some cases.