Because the uterus shifts in angle and position. Also, as the placenta grows it spreads out so it's less clear what the original attachment point it. Ideally Ramzi is done at 6 weeks before things start shifting and accuracy goes way down. Also, it's only reliable if the view is done in the transverse plane. Transvaginal scans can be imaged in different planes so you need to have the right one also.
Results 1,151 to 1,160 of 2075
Thread: Due Sept/Oct/Nov 2016
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April 15th, 2016, 12:42 PM #1151DH (43), DW (40)
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April 15th, 2016, 12:44 PM #1152Mom of 1 long haired hippie child Boy, looking to add a flowerchild Girl to the fam!
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April 15th, 2016, 12:46 PM #1153
Thank you Bunny Girl :-)
(2009)
(2011)
(2013)
It's another sweet
My sway- http://genderdreaming.com/forum/add-...y-attempt.html
BFP 2/24 at 8 dpo
EDD - November 7 2016
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April 15th, 2016, 12:47 PM #1154
Lauren, I don't think the nub theory is fool proof. BUT I would totally do it if you have the option.
(2009)
(2011)
(2013)
It's another sweet
My sway- http://genderdreaming.com/forum/add-...y-attempt.html
BFP 2/24 at 8 dpo
EDD - November 7 2016
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April 15th, 2016, 12:59 PM #1155
Ramzi theory only applies to transvaginal transverse scans. It has not been studied in other views so it's hard to know what the accuracy is. Transabdominal scans don't flip the image (even though I see this posted a million places on pregnancy forums). It shows the same thing as transvaginal, just from a different viewpoint, like if you were looking at something outside your basement window versus an upstairs window. The thing is still the same, you're just coming at it from a different angle. The image could be flipped, but so could a transvaginal. It's just a setting on the machine they can push to mirror the image. Typically what you see on the left-hand side of an image is what is your anatomic right side.
DH (43), DW (40)
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April 15th, 2016, 01:03 PM #1156
I'd get a nub scan. It's not 100%, but still pretty good. It's more accurate for guessing if you watch it during the live scan versus captured image though. You can see how it moves and looks with baby changing positions and wiggling.
DH (43), DW (40)
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April 15th, 2016, 01:04 PM #1157
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April 15th, 2016, 01:07 PM #1158
Yep, between 12 and 13 weeks is the best.
DH (43), DW (40)
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April 15th, 2016, 01:28 PM #1159Dream User
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- Sep 2015
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April 15th, 2016, 01:34 PM #1160Big Dreamer
- Join Date
- Jul 2013
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DD in 2009
DD2 in 2012
Swayed with GD in 2013 and had a beautiful DS in 2014
Currently TTC another blue bundle. Wish me luck!
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