![The use of ultrasound in acute gynecology and pregnancy assessment (Chapter 12) - Ultrasound in Anesthesia, Critical Care and Pain Management The use of ultrasound in acute gynecology and pregnancy assessment (Chapter 12) - Ultrasound in Anesthesia, Critical Care and Pain Management](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20210820054022160-0714:9781316340677:61832fig12_19.png?pub-status=live)
The use of ultrasound in acute gynecology and pregnancy assessment (Chapter 12) - Ultrasound in Anesthesia, Critical Care and Pain Management
![Fetal sex prediction measuring yolk sac size and yolk sac–fetal pole distance in the first trimester via ultrasound screening | SpringerLink Fetal sex prediction measuring yolk sac size and yolk sac–fetal pole distance in the first trimester via ultrasound screening | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs40477-020-00516-0/MediaObjects/40477_2020_516_Fig2_HTML.png)
Fetal sex prediction measuring yolk sac size and yolk sac–fetal pole distance in the first trimester via ultrasound screening | SpringerLink
SonoSim Inc. - #UltasoundTip Around six weeks' gestational age, the fetal pole (or embryo) appears as a distinct structure, separate from the yolk sac. On endovaginal ultrasound, the fetal pole looks like
![POCUS 101 on Twitter: "(6/n) Fetal Pole appears around 5.5-6 weeks (transvaginal US) 👉🔗https://t.co/wBsqQSYLfk https://t.co/VRdGbp1pIW" / Twitter POCUS 101 on Twitter: "(6/n) Fetal Pole appears around 5.5-6 weeks (transvaginal US) 👉🔗https://t.co/wBsqQSYLfk https://t.co/VRdGbp1pIW" / Twitter](https://pbs.twimg.com/media/EjFfQaSUMAEHE7P.png)
POCUS 101 on Twitter: "(6/n) Fetal Pole appears around 5.5-6 weeks (transvaginal US) 👉🔗https://t.co/wBsqQSYLfk https://t.co/VRdGbp1pIW" / Twitter
![The embryo is first visible as a fetal pole adjacent to the yolk sac... | Download Scientific Diagram The embryo is first visible as a fetal pole adjacent to the yolk sac... | Download Scientific Diagram](https://www.researchgate.net/publication/26280972/figure/fig2/AS:601596123684883@1520443101693/The-embryo-is-first-visible-as-a-fetal-pole-adjacent-to-the-yolk-sac-YS-Cardiac.png)
The embryo is first visible as a fetal pole adjacent to the yolk sac... | Download Scientific Diagram
![Fetal sex prediction measuring yolk sac size and yolk sac–fetal pole distance in the first trimester via ultrasound screening | SpringerLink Fetal sex prediction measuring yolk sac size and yolk sac–fetal pole distance in the first trimester via ultrasound screening | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs40477-020-00516-0/MediaObjects/40477_2020_516_Fig3_HTML.png)