Sono-Diagnostics Botswana - Lets talk yolk sac! What is a yolk sac? During your early pregnancy scan, our sonographer will point out the yolk sac to you. Its the small halo like
![Figure 2 from Abnormal sonographic appearances of the yolk sac: which can be associated with adverse perinatal outcome? | Semantic Scholar Figure 2 from Abnormal sonographic appearances of the yolk sac: which can be associated with adverse perinatal outcome? | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/bb83aa1b15d3486410df97e925bab545af9e0ea1/2-Figure2-1.png)
Figure 2 from Abnormal sonographic appearances of the yolk sac: which can be associated with adverse perinatal outcome? | Semantic Scholar
![A very large yolk sac (Y) (mean diameter, 8.1 mm) and a living embryo... | Download Scientific Diagram A very large yolk sac (Y) (mean diameter, 8.1 mm) and a living embryo... | Download Scientific Diagram](https://www.researchgate.net/profile/San-Nung-Chen/publication/7446477/figure/fig3/AS:277742101778451@1443230285857/A-very-large-yolk-sac-Y-mean-diameter-81-mm-and-a-living-embryo-E-crown-rump_Q320.jpg)
A very large yolk sac (Y) (mean diameter, 8.1 mm) and a living embryo... | Download Scientific Diagram
![Yolk sac number does not predict reliably amnionicity in monochorionic twin pregnancies: a case of a monochorionic monoamniotic twin pregnancy with two distinct yolk sacs on early first‐trimester ultrasound - Corbett - Yolk sac number does not predict reliably amnionicity in monochorionic twin pregnancies: a case of a monochorionic monoamniotic twin pregnancy with two distinct yolk sacs on early first‐trimester ultrasound - Corbett -](https://obgyn.onlinelibrary.wiley.com/cms/asset/0e40f25e-8ec5-4ab0-8e49-d02b67d4a821/mfig001.jpg)
Yolk sac number does not predict reliably amnionicity in monochorionic twin pregnancies: a case of a monochorionic monoamniotic twin pregnancy with two distinct yolk sacs on early first‐trimester ultrasound - Corbett -
![Phil and Alex on Twitter: "I prayed for more than just a gestational sac (even though that's all we would need to see). Yolk sac made its first glimmer of appearance! I Phil and Alex on Twitter: "I prayed for more than just a gestational sac (even though that's all we would need to see). Yolk sac made its first glimmer of appearance! I](https://pbs.twimg.com/media/EF19V6QWsAUDaFH.jpg)
Phil and Alex on Twitter: "I prayed for more than just a gestational sac (even though that's all we would need to see). Yolk sac made its first glimmer of appearance! I
![A) Ultrasound and hysteroscopic images of the yolk sac in a partial... | Download Scientific Diagram A) Ultrasound and hysteroscopic images of the yolk sac in a partial... | Download Scientific Diagram](https://www.researchgate.net/publication/338943119/figure/fig3/AS:959587041701916@1605794787729/A-Ultrasound-and-hysteroscopic-images-of-the-yolk-sac-in-a-partial-mole-pregnancy.png)
A) Ultrasound and hysteroscopic images of the yolk sac in a partial... | Download Scientific Diagram
![Figure 1 from Abnormal sonographic appearances of the yolk sac: which can be associated with adverse perinatal outcome? | Semantic Scholar Figure 1 from Abnormal sonographic appearances of the yolk sac: which can be associated with adverse perinatal outcome? | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/bb83aa1b15d3486410df97e925bab545af9e0ea1/2-Figure1-1.png)
Figure 1 from Abnormal sonographic appearances of the yolk sac: which can be associated with adverse perinatal outcome? | Semantic Scholar
![Yolk sac size & shape as predictors of first trimester pregnancy outcome: A prospective observational study - ScienceDirect Yolk sac size & shape as predictors of first trimester pregnancy outcome: A prospective observational study - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2468784718303118-gr1.jpg)
Yolk sac size & shape as predictors of first trimester pregnancy outcome: A prospective observational study - ScienceDirect
![Elementary text-book of zoology. Yolk. â waUj future Serosa, Yolk-sac Wall. Yolk in Yolk-sac. Hypoblast of Yolk-sac. Extra-embryonic Coelom. Mesoblast of- . Yolk-sac. S f Mesoblast. 2 I Epibli Alimentary Canal. Elementary text-book of zoology. Yolk. â waUj future Serosa, Yolk-sac Wall. Yolk in Yolk-sac. Hypoblast of Yolk-sac. Extra-embryonic Coelom. Mesoblast of- . Yolk-sac. S f Mesoblast. 2 I Epibli Alimentary Canal.](https://c8.alamy.com/comp/RDGEW8/elementary-text-book-of-zoology-yolk-wauj-future-serosa-yolk-sac-wall-yolk-in-yolk-sac-hypoblast-of-yolk-sac-extra-embryonic-coelom-mesoblast-of-yolk-sac-s-f-mesoblast-2-i-epibli-alimentary-canal-embrjo-amniotic-fold-extra-embryonic-ccelom-yolk-sac-embryo-miotic-cavity-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-masterman-arthur-thomas-edinburgh-e-amp-s-livingstone-RDGEW8.jpg)