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[Pathology of the yolk sac: endosonographic results]
F Bonilla-Musoles1, M Sampaio, C Simon
1Universitäts-Frauenklinik Valencia, Spanien.
Insights
The yolk sac, visible via vaginal sonography, is measured for normal growth from weeks 4-12. This study analyzes yolk sac size and appearance changes and their fetal impact.
Area of Science:
- Embryology
- Medical Imaging
- Fetal Development
Abstract:
The yolk sac is the first embryonic structure that is observed by vaginal sonography. It shows up between the fourth and fifth week as regular ring inside the gestational sac. In this study the normal growth of the yolk sac is standardised through the measuring of its diameter, perimeter and area from its appearance till the twelfth week. The aim of this work is to discover the alterations in its size and echographic picture, and to study their repercussions in the foetus.