Posted on 15 Jul 2024 in Ultrasound
A nuchal translucency (NT) ultrasound scan is a prenatal screening test conducted during the first trimester of pregnancy, typically between 11 and 14 weeks of gestation. The primary purpose of the NT scan is to assess the risk of certain chromosomal abnormalities, such as Down syndrome (trisomy 21), Edwards syndrome (trisomy 18), and Patau syndrome (trisomy 13). During the NT scan, an ultrasound is used to measure the clear (translucent) space in the tissue at the back of the baby's n...