Fetal pole - Wikipedia Fetal pole This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. ( December 2009 ) The fetal pole is a thickening on the margin of the yolk sac of a fetus during pregnancy. It is usually identified at 8 weeks with abdominal ultrasound imaging, and 6 weeks with vaginal ultrasound imaging. However it is quite normal for the fetal pole to not be visible until about 9 weeks. The fetal pole may be seen at 2 -- 4 mm crown - rump length ( CRL ). This developmental biology article is a stub. You can help Wikipedia by expanding it. Retrieved from `` https://en.wikipedia.org/w/index.php?title=Fetal_pole&oldid=763658614 '' Categories : Embryology Developmental biology stubs Hidden categories : Articles lacking sources from December 2009 All articles lacking sources All stub articles Talk About Wikipedia Add links This page was last edited on 4 February 2017, at 13 : 38 ( UTC ). About Wikipedia

Question: when do you normally see a fetal pole
Answer: at 8 weeks with abdominal ultrasound imaging