What is it?
Nuchal fold thickness (or nuchal translucency) is the ultrasound finding of a collection of fluid behind the foetus’ nape during the first trimester of pregnancy; it can occur both physiologically and as a result of certain foetal abnormalities, especially those involving chromosomes (trisomy 13,18 and 21).
Its ultrasound measurement may therefore help identify foetuses at a greater risk of this kind of illness.
Measurement of the nuchal fold thickness, by an expert and specially certified professional, can also be used alone in order to calculate chromosomal risk; however, it is more accurate when it is combined with the Double Marker Test, in order to perform the Combined Test.
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Find out more
SISMeR provides its patients with useful information on topics related to infertility and Medically-Assisted Procreation techniques. For this, it has published a series of booklets that are given to patients when they visit their SISMeR Centre.