How accurate are dating scans at 14 weeks
I was told by a hospital midwife at the scanning unit that of all those dates, 9 0 was likely to be the most accurate.Too early, and a mm can make a difference, too late and you start to get individual differences - and of course, it simpley gets harder to measure due to position.) the fetus is clearly seen on trans-vaginal ultrasound and the heart beat can be seen at this early stage (90 to 110 beats per minute under 6 to 7 weeks, then 110 to 200 beats per minute as the baby matures).the baby and its heart beat can be detected relatively easily with trans-abdominal and trans-vaginal examination.In the month after my period none of the days showed as ovulating- which according to the dating scan this is when I would have conceived. hi pureapple i dont really know a definate answer to your question but as far as i am aware the dating scans go on the size of the baby so it could be wrong and your baby might just be small but i cant tell you one way or another sorry.It's entirely based on the measurements, not on what you think you know.
For transvaginal ultrasound you can have an empty bladder Dating scans are usually recommended if there is doubt about the validity of the last menstrual period.
My GP thought at first that I was 6 weeks preg and than my scan cut the two weeks off so all a bit confusing!!!
But yet again m,any thanks for all your comments and good luck to all of you!!
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This is presuming that the pregnancy is actually at this stage of development.