An ultrasonographic study to evaluate the correlation of calcified yolk sac with spontaneous abortion

Authors

DOI:

https://doi.org/10.3126/ajms.v13i4.41499

Keywords:

Calcified yolk sac, Pregnancy, Spontaneous abortion, Transvaginal sonography, Yolk sac

Abstract

Background: The yolk sac is a small, membranous structure, which is situated outside the embryo and has a variety of functions during embryonic development. The yolk sac plays an important role in critical biological functions during early gestation, which includes primitive hematopoiesis as well as production of germ cells. It can be visualized between 6 and 12 weeks of pregnancy by ultrasonography as a regularly rounded extra-amniotic structure when the gestational sac reaches dimensions of 8–10 mm. On sonography, the yolk sac appears as a round structure which has an anechoic center bordered by a regular well-defined echogenic rim. Thus, a normal yolk sac is a yolk sac with echogenic rim and hypoechoic center, whereas yolk sac with hypoechoic rim or hyperechoic center is considered as calcified yolk sac.

Aim and Objectives: To study the correlation of calcified yolk sac with spontaneous abortion in the first trimester of pregnancy.

Materials and Methods: We studied 144 pregnant females who were in their first trimester of pregnancy, referred by the department of obstetrics and gynecology. The echotexture of yolk sac was observed by transvaginal sonography and its correlation with spontaneous abortion.

Results: Yolk sac was present in 140 cases (97.22%), and in 4 cases (2.78%), it was absent. Out of 140 cases, it was calcified in two cases and normal in 138. All the cases in which there was absence of yolk sac or calcified yolk sac resulted into spontaneous abortion.

Conclusion: Accurate recognition of the normal and abnormal sonographic findings related to yolk sac can be used to anticipate the course of pregnancy which may be used as good tool in clinical practice to predict whether a pregnancy is going to have a good or a poor outcome.

Downloads

Download data is not yet available.
Abstract
184
PDF
448

Downloads

Published

2022-04-01

How to Cite

Srivastava, G., Mumal Nagwani, Tewari, V. ., Khanduri, S. ., Kunwar, S., & Prince Kapoor. (2022). An ultrasonographic study to evaluate the correlation of calcified yolk sac with spontaneous abortion. Asian Journal of Medical Sciences, 13(4), 182–186. https://doi.org/10.3126/ajms.v13i4.41499

Issue

Vol. 13 No. 4 (2022)

Section

Original Articles

License

Copyright (c) 2022 Asian Journal of Medical Sciences

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Authors who publish with this journal agree to the following terms:

  1. The journal holds copyright and publishes the work under a Creative Commons CC-BY-NC license that permits use, distribution and reprduction in any medium, provided the original work is properly cited and is not used for commercial purposes. The journal should be recognised as the original publisher of this work.
  2. Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
  3. Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).