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There are two distinct measurements: the size of the nuchal translucency and the thickness of the nuchal fold. Nuchal translucency size is typically assessed at the end of the first trimester, between 11 weeks 3 days and 13 weeks 6 days of pregnancy. [3] Nuchal fold thickness is measured towards the end of the second trimester.
Perhaps the most common such test uses a measurement of the nuchal translucency thickness ("NT-test", or "Nuchal Scan"). Although 91% of fetuses affected by Down syndrome exhibit this defect, 5% of fetuses flagged by the test do not have Down syndrome. Ultrasound may also detect fetal organ anomaly.
This is untrue: At the end of the second trimester, the nuchal translucency can no longer be seen and instead the nuchal fold is measured. The fold is more focal and at the level of the posterior fossa. This measurement has a higher threshold of normal, although the implications of increased thickness are similar to those of translucency.
A pair of Saturday NFL games drew a larger viewing audience than college football for the rollout of the sport's 12-team playoff. The playoff game between SMU and Penn State averaged 6.4 million ...
MeSH E01.370.350.850.865.500 – nuchal translucency measurement MeSH E01.370.350.925 – whole body imaging MeSH E01.370.370 – diagnostic techniques, cardiovascular
Fentanyl has made headlines for driving overdose deaths, but the Centers for Disease Control and Prevention is warning of the rise of an even deadlier drug. An addiction specialist weighs in.
An analysis of a sample of comments carried out by market research firm OneCliq found the vast majority - four-fifths - contained criticism of the healthcare system.
Increased nuchal translucency in a first-trimester ultrasound may indicate the presence of 13q deletion. [6] It is important to follow through with genetic testing because there are many other diseases that have similar clinical manifestations of 13q deletion syndrome.