This is sometimes called a nuchal translucency scan. The nuchal translucency measurement can be taken during the dating scan. If you have agreed to have screening for Downs syndrome, the dating scan and the screening will usually happen at the same time.
Is nuchal scan same as 12 week scan?
The nuchal translucency (NT) scan, or “12-week scan,” is an ultrasound performed in the first trimester between 11.5 weeks and 13 weeks, six days. This scan is combined with a blood test that looks at two specific hormones of pregnancy: the free-Beta hCG and PAPP-A (pregnancy associated plasma protein A).
What is a obstetric nuchal dating scan?
Nuchal translucency scan This is a scan which is usually carried out at 11-13 weeks and is a method of screening for chromosomal abnormalities without having an invasive test such as an amniocentesis. The nuchal translucency is a measurement of an area of fluid behind the babys neck.
What problems can be seen at 12 week scan?
The 12-week pregnancy screen and scan is used to: The first trimester screening scan allows a close assessment of a babys anatomy and organs and can detect abnormalities that may be linked with Down syndrome or other major types of birth defects.