Please advise of accuracy of dating at 7wk ultrasound. Had 2 partners but a month apart and scan would mean conception happened with second person. Can an early scan be out by more than 2-3 weeks? Had ...

For example, a 6-week pregnancy could actually be 4–5 weeks along. Late Implantation: The embryo may have implanted later than expected, delaying visible development on scans.

Artificial intelligence (AI) could help sonographers identify any abnormalities at the 20-week pregnancy screening scan almost twice as quickly, without reducing the accuracy or reliability of ...

All pregnant women in England, Scotland, Wales and Northern Ireland should be offered at least two NHS routine diagnostic scans (screening scans) as part of their antenatal appointments schedule..

It means the usual 12-week scan, which estimates the baby's due date and development, is now being offered to women in the Belfast Trust who are 16 weeks pregnant.