![ISUOG on X: "It's the #ISUOG Friday quiz! At what gestational age should the first sonographic signs suggestive of an intrauterine pregnancy be seen by transvaginal ultrasound? a) 3 weeks b) 4 ISUOG on X: "It's the #ISUOG Friday quiz! At what gestational age should the first sonographic signs suggestive of an intrauterine pregnancy be seen by transvaginal ultrasound? a) 3 weeks b) 4](https://pbs.twimg.com/media/FlyJcEQXkAEn0lN.jpg)
ISUOG on X: "It's the #ISUOG Friday quiz! At what gestational age should the first sonographic signs suggestive of an intrauterine pregnancy be seen by transvaginal ultrasound? a) 3 weeks b) 4
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Transvaginal ultrasound of right adnexa showing the right tubal ectopic... | Download Scientific Diagram
![Early pregnancy ultrasound measurements and prediction of first trimester pregnancy loss: A logistic model | Scientific Reports Early pregnancy ultrasound measurements and prediction of first trimester pregnancy loss: A logistic model | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-020-58114-3/MediaObjects/41598_2020_58114_Fig1_HTML.png)
Early pregnancy ultrasound measurements and prediction of first trimester pregnancy loss: A logistic model | Scientific Reports
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