Nuchal Translucency Ultrasound

A nuchal translucency (NT) ultrasound measures the collection of fluid under the skin at the base of your baby’s neck. It is normal for babies to have some fluid in this area, but some babies with Down’s Syndrome have an extra amount.

An NT ultrasound should be performed anytime from 11 weeks to no later than 13 weeks plus six days of pregnancy.  It is performed by a sonographer specifically trained and certified in NT scanning.

An NT measurement may sometimes be combined with results from screening blood tests to further determine the risk of having a baby with Down’s Syndrome. This combination of tests is called an Integrated Prenatal Screening (IPS).

Medical Services Plan of BC will cover this ultrasound if the patient meets at least one of the following criteria:

  1. Age 35 years or older on the expected date of delivery
  2. Multiple gestations (twins)
  3. History of a previous child/fetus with Down’s Syndrome, Trisomy 13 or 18
  4. HIV positive
  5. Women pregnant following in vitro fertilization with intracytoplasmic sperm injection (IVF with ICSI)

If you wish to have an NT scan and do not meet any of these criteria, Greig Associates also offers the exam to private patients. Please contact us to enquire about the applicable fee.

For more information, please visit the BC Prenatal Genetic Screening Program’s website

To book an appointment with Greig Associates, please click here for our locations.