Screening for Down's syndrome will happen at the dating scan if: The screening test for Down's syndrome used at this stage of pregnancy is called the combined test.
The combined test involves a blood test and measuring the fluid at the back of the baby's neck (nuchal translucency) with an ultrasound scan.
It will usually take place at your local hospital ultrasound department.
The person performing the scan is called a sonographer.
You will have a formal consultation with a healthcare professional.