Dating scan brought due date forward

Can your due date be wrong from a scan?

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. Original date given was 18 December but at the scan it was moved to 31 Dec.

Can the date of a scan change at 12 weeks?

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. Measurements at such an early stage aren’t accurate which is why they wait for 12 weeks to date you.

How accurate are dates from early scans?

“Definitely agree that dates from early scans are not accurate. Just half a millimetre at such an early stage can change your date by a week. Your 12-week scan will be far more accurate. “I fell over at ‘7’ weeks by my last menstrual period (EDD 18 March) and was sent for an early scan.

When is the best time to have a scan?

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.

Can an ultrasound give you a wrong due date?

If an early ultrasound gives you a due date that is more than 1.2 weeks away from what was expected, there is a good chance that everything is still fine. You may have simply conceived earlier or later than you thought you did (which can happen if your cycle is at all irregular or if you remembered your last menstrual period date incorrectly).

Can a scan give you your due date?

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

How accurate are dates from early scans?

Can the date of a scan change at 12 weeks?

Early scans can be out by 5 days or so but I thought by 12 weeks they were regarded as fairly accurate. 3 weeks is a big difference! I dont think they would be that far out. Perhaps you ovulated twice that month? I was sent to EPU as was being very sick. By my dates I was 7 weeks, by theirs I was 6 weeks.

When is the best time to have a scan?

When is the best time to have a 3D scan?

Im a Sonographer that works in the NHS and also privately doing 3D/4D scans. The best time to get good pics is 26-28 weeks. Sometimes baby is not always in a ideal position, so we may need to bring you back a week later. Therefore anytime up to 32 weeks we can still get good views of baby if behaving.

When should I have an early scan?

An early scan is offered from six weeks, so before your dating scan. Your midwife or GP will only recommend an early scan if theres a concern, for example, if youve had bleeding in this pregnancy. Your GP may also refer you for a scan if youve had recurrent miscarriages.

When is the best time for a private gender scan?

Unfortunately, it didn’t give her the results she wants, and she says: “I don’t recommend a private gender scan, not until you’re at least 17 weeks. But then when you’re there, you might as well wait 3 weeks till 20 weeks.”

When is the best time to book an ultrasound?

Many people believe that they must wait until at least 30 weeks to book an ultrasound session, but this - if youll pardon the pun - is a misconception. Here at First Encounters Ultrasound, we offer 4D scans from 24 weeks to 32 weeks; however, we recommend 25-29 weeks as the optimum time for a scan,...