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A nuchal scan or nuchal translucency (NT) scan/procedure is a sonographic prenatal screening scan to detect chromosomal abnormalities in a fetus, though altered extracellular matrix composition and limited lymphatic drainage can also be detected.
Screening tests can then include serum analyte screening or cell-free fetal DNA, and nuchal translucency ultrasound [NT], respectively. [60] It is important to note that screening tests are not diagnostic, and concerning screening results should be followed up with invasive diagnostic testing for a confirmed diagnosis.
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.
Nicolaides has developed methods of (i) screening for premature birth (which is the main cause of perinatal morbidity and mortality) by measurement of cervical length and prevention through the use of vaginal progesterone, [9] (ii) screening for pre-eclampsia (which is one of the main causes of maternal mortality) by measurement of blood flow ...
Mom of three Holly Pardue struggled with excessive bleeding after the birth of her third child in January 2024. She was told it was just "stress and hormones" and advised to go for walks, but ...
Increased nuchal translucency or other abnormal ultrasound findings; Family history of a chromosomal abnormality or other genetic disorder; Parents are known carriers for a genetic disorder; Advanced maternal age (maternal age above 35). AMA is associated with increase risk of Down's syndrome and at age 35, risk is 1:400.
An opportunity to improve screening rates. Early detection is the key to preventing cervical cancer deaths. Yet, data spanning June 2016 to May 2019 published in the American Journal of Preventive ...
One test will be how the Trump administration leverages its close relationship with El Salvador. US officials are in talks with the country to strike an asylum agreement that would allow the US to ...