See below: The short answer is yes, it is within normal. However, it is a bit more complicated than that. The NT is one factor in assessing the risk of having a chromosomal abnormality. If you are 22 years old with an NT of 2 mm, you would get a different risk than a 45 yr old with an NT of 2 mm. There are other factors as well and the data is combined with blood work.
Answered 5/7/2016
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A doctor has provided 1 answer
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