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See What if a screening test shows a possible problem?
for more information on what may happen if a scan or other screening test suggests an abnormality.
You'll be given the chance to discuss it with your maternity team before making your decision. You may like someone to come with you to the scan appointment.
The dating scan can include a nuchal translucency (NT) scan, which is part of the combined screening test for Down's syndrome, if you choose to have this screening.
Ultrasound scans can sometimes find problems with the baby.
Most scans show that the baby is developing normally and no problems are found.
Ultrasound scans use sound waves to build a picture of the baby in the womb.
The scans are painless, have no known side effects on mothers or babies, and can be carried out at any stage of pregnancy.It's very exciting to "see" your baby in the womb, often moving their hands and legs.