How accurate are ultrasounds at dating pregnancy loneliness dating site
” "I had an early scan at 8 weeks, which put me back a week," adds Abnormal Kitty.
"Then at my 12 week scan, they put me forward by 4 days." Unless you have an early pregnancy scan most of you will be given your estimated due date at the 12-week scan.
“If the scan date differs from your LMP dates, then the scan dates will be used, but do discuss with your midwife if you are concerned.
The best time to establish this date is at the scan you are offered between 11 weeks and 2 days and 14 weeks plus 1 day,” Experts say that the scan date can sometimes come out as less pregnant than suggested by your LMP. “My 1st scan with this baby put me 1 week earlier than I thought I was.
"At my 12 week scan I was back to bang on dates for my last period and was told to ignore the previous two scans, which they said were to check for 'viability' as opposed to dates.
These can be carried out from week 5 or 6 of pregnancy, which is a notoriously tricky time to be accurate on dates.
Understandably, when it is such early days it’s easy to worry when the scan dates are different to what you were expecting.
Despite the fact that sonographers are experts in their field, estimated due dates (EDD) calculated from pregnancy scans can be incorrect, as Ollysmum76 discovered.
“My due date got put back by 2 weeks at the 12 week scan.