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Review
. 2012 Jan;31(1):87-95.
doi: 10.7863/jum.2012.31.1.87.

Sonographic evaluation of the yolk sac

Sinan Tan  1 , Mine Kanat Pektaş, Halil Arslan
Affiliations
Review

Sonographic evaluation of the yolk sac

Sinan Tan et al. J Ultrasound Med. 2012 Jan.

Abstract

This pictorial essay aims to inform related clinicians by summarizing the normal and abnormal sonographic findings of the yolk sac in the first trimester of pregnancy. An abnormality in the sonographic appearance of a yolk sac can predict subsequent embryonic death or abnormalities. Therefore, the accurate recognition of normal and abnormal sonographic findings concerning the yolk sac can be used to anticipate the course of pregnancy.

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