The ultrasound scan occurring between 11 and 14 weeks, the Nuchal Translucency Scan, is an important part of your antenatal care. The Fetal Medicine Specialist or sonographer who is conducting your 12 week scan in London will perform some important health screening on your baby. One of these is to screen for certain chromosomal abnormalities, in particular, Down’s Syndrome.
The nuchal translucency test involves measuring the fold at the back of your baby’s neck. If this is not within the expected range then it may indicates that your baby is at higher risk of chromosomal abnormalities such as:
Each of these chromosomal abnormalities have different outcomes for the baby, , so screening for them during pregnancy is very important.
Getting an abnormal result from your nuchal ultrasound can be very worrying, but it is important to remember that this is just a screening test and not a diagnostic one. The scan result may show that your baby is at higher risk, but it doesn’t mean that he or she is definitely affected by a chromosomal abnormality. You will have a chance to discuss what the results mean with your doctor in London before deciding on your next steps, which may include: