How accurate is 12 week dating scan

Join Date Apr Posts The sonographer explained that indicated that this was a twin pregnancy with only one twin viable and could explain the date confusion as I may have ovulated twice in one cycle.

I figured the dating was based on the development of the fetus but it's weird to wrap your head around the fact that you are actually further along in weeks when I have been mentally prepared to enter a different week! August Babies As others have said, there can be huge variation!

If you're feeling the pressure to host an all-out, over-the-top shindig for your baby's birthday, I hereby grant you permission to throw the rules out the window. Join here - there's nearly always a great incentive offered for your views. You can't really rely on your LMP date either as according to my scan dates I will have ovulated 1 week after my period.

how accurate is 12 week dating scan-13

Hi new to writing on here but have been reading lots of useful advice from you all. Looking at the scan and where the sonographer took the measurements you can see he didn't include the baby's head in the measurements.

Join Date Oct Location brisbane australia Posts At the end of the day - EDD is just a guide. Privacy How to start dating my ex again Terms of Use. They will change your due date later if they feel like they need to. The dirty truth about blowing out candles on a birthday cake Germaphobes beware!

Pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period, explains NHS Choices. This is especially true if you have an irregular cycle or have been on the Pill for example.

“Scans are an accurate way to give you a due date,” confirms Nigel from the Society and College of Radiographers.

MFM mums share their stories plus expert sonographers explain why it happens and what to do if you're told your due dates are wrong Listening to MFM mums, it's clear lots of you leave your scan with a nagging feeling that what you've been told that day doesn’t seem quite right.

Perhaps you’ve been given a due date that seems totally out of sync with the date that you thought you were going to have your baby.As Loobylou77 explains, it's really common for these to change when it comes to the dating scan at around 12 weeks.“I was measured at 6 6 (6 weeks and 6 days) when I should have been 8 weeks.” Expert Jan Steward, who is director of Ultrasound Direct and Babybond, agrees that early scans carry a much greater risk of inaccuracy.“At our clinics we scan from 7 weeks but at this time due dates are not totally accurate as it is very early stages.But then again with my first baby I was spot on with dates, he always measured big and he was a week overdue... Babies are ready when they're ready - try not to worry (easier said than done).” But Nigel also says that the estimated (and that is all it is) date is normally accurate plus or minus about a week.

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