How accurate are dating scans at 17 weeks
But if thin patient, experienced operator of the ultrasound and good views it can be very accurate. You can see early fetal anatomy much better vaginally though. Read more See 1 more doctor answer It would seem that you would have to conceive on feb.. If the question is of historical interest, i would need to know when the ultrasound was done. Read more See 1 more doctor answer The most accurate ultrasounds for dating a pregnancy are those done in the 1st trimester, which both of these scans were.
Otherwise, you might want to check the dates you provided. Read more First trimester ultrasound is accurate within 5-7 days. There is no test that can date conception more accurately than a 1 week window. A 6 week ultrasound can sometimes be a little early, depending on the size of the crown-rump-lenth, so getting another one at 11 weeks is great!
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I had to drink so much bloody water before my scan only to find there was a delay before my appointment – I felt like I was going to explode.
I'll never forget one nurse asking me, 'Do you think you could just pop to the loo and let just a little bit out? ’ When it comes to the actual scan you'll lie on your back and then some sticky, clear gel will be rubbed over your abdomen.
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Before the scan you will be asked to drink a lot of water and have a full bladder, as this puts the uterus in a better position to be scanned.