Nuchal Translucency

Some articles on nuchal translucency:

Down Syndrome - Prenatal Testing
... Such tests include blood tests the nuchal translucency test and other ultrasound screens which look for certain abnormal features ('markers') in the ... Nuchal translucency/free beta/PAPPA screen (aka "1st Trimester Combined Test") 10–13.5 85% 5% Uses ultrasound to measure Nuchal Translucency in ...