Start What happens at a dating scan

What happens at a dating scan

Talk to your midwife, GP or obstetrician about any concerns you have.

A nuchal scan will: The nuchal scan can only be performed from 11 weeks and 2 days of pregnancy to 14 weeks and 1 day – with the most accurate time being around 12 weeks.

The blood sample can be given any time after 10 weeks of pregnancy.

Most scans are carried out by specially trained staff called sonographers.

The procedure is carried out in a dimly lit room so the sonographer is able to get good images of your baby. You will then be asked to lower your skirt or trousers to your hips and raise your top to your chest.

The nuchal scan provides a screening for chromosomal abnormalities such as Down Syndrome and is combined with a blood test.

It is also the first opportunity to reliably examine your baby’s anatomy as it is fully developed at around 12 weeks.

A nuclear medicine physician is a medical doctor who specializes in using tracers to diagnose and treat disease.

The radiologist or nuclear medicine physician interprets the scan results.

Your midwife or GP will only recommend an early scan if there's a concern, for example, if you've had bleeding in this pregnancy.

Your GP may also refer you for a scan if you've had a previous miscarriage.

A bone scan helps find cancer that has started in or has spread to the bones.