An NT (Nuchal Translucency) scan is a prenatal screening done in the first trimester, which measures the size of the clear tissue at the back of the fetus's neck called the nuchal translucency. Too much clear space indicates chromosomal abnormalities like Down syndrome, Patau syndrome or Edwards syndrome.
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When is double marker test indicated?
Query: Hello doctor, My wife is 28 years old and is in her 13th week of pregnancy. We had an NT test a couple of days back. The NT was 1.7mm. Trisomy 21 had an adjusted scale of 1:3428. Our doctor has advised us to go for a double marker test. The results will be out in two to three days. Is a risk of 1 in... Read Full »
Answer: Hello, Welcome to icliniq.com. The NT (nuchal translucency) test and double marker are dependent on each other. A risk of 1 in 3428 is not considered high. You have been asked to go for a blood test so as to conclude the results, as only NT test is not sufficient. For the double marker, NT measur... Read Full »