What is a Nuchal Translucency (NT) OB Sonogram with Bloodwork?
An NT OB Sonogram with bloodwork (NT/freeBeta/PAPP-A) is a first trimester prenatal screening and ultrasound exam that combines a blood test with an 11-13 week Nuchal Translucency Ultrasound exam. Together, this evaluation will report if you have an increased chance of having a baby with Down syndrome, Trisomy 18 or Trisomy 13. These are the most common chromosomal abnormalities, disorders caused by a change in number or structure of the information within our cells. The risk of having a baby with a chromosomal abnormality increases with the mothers age, but can occur at any age.