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A female asked:

I am 13 weeks pregnant and went for an nuchal translucency, which came out at 2.2mm in thickness which the doctor said is thicker than normal?

1 doctor answer • 4 doctors weighed in
Dr. Shari Jackson
Dr. Shari Jacksonanswered
Radiology 22 years experience
Not that simple: Nt scan is one of many screening tests used to assess for risk of a major chromosomal abnormality. There is a range of "normal" that has been established by scanning thousands of pregnancies. As with any screening test, a cutoff is chosen somewhat arbitrarily based on statistics. Most studies use a cutoff of 2.5 or 3.0 for "abnormal." NT is combined with blood tests to determine overall risk.
5.3k viewsReviewed >2 years ago
Thank
Dr. Evan Altman
Dr. Bassam Amawi
Dr. Adrian Baudy IV
Dr. Evan Altman and 2 doctors agree3 doctors agree

Related questions

A 27-year-old female asked:
Doc, is it normal to have nuchal thickness of 3.2mm at week 17-18? I had quadruple test today only worried about nuchal thickness.. Plz advisr
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Last updated Jul 15, 2018

Found in:

Female health

People also asked

Doc the nuchal thickness will increase as pregnancy progress? I missed my NT scan at 12 weeks, now 17-18 weeks nuchal thickness is 3.2 mm.. Plz advise
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Q> does 0.14cm nuchal translucency in 13 weeks pregnant is normal? Tia
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Doc today i had quadruple screen, nuchal thickness was not so clear but he told it is about 3.2 mm.. Is it normal to have this value in week 17?
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