Does Nuchal Translucency Grow?

Therefore, regarding outcome after detection of NT, NT disappears during the second trimester of pregnancy in some cases but continues to grow in others. We studied the outcome of 49 cases in which increased NT was observed in the first trimester and disappeared during the second trimester.

Can nuchal translucency change?

Conclusion: In fetuses with abnormal karyotype, the second nuchal translucency measurement tends to be increased or unchanged, while in normal cases the size of nuchal translucency is generally reduced.

Does nuchal translucency increase with gestational age?

Results: Nuchal translucency measurements varied considerably with gestational age; this variation followed a fetus-specific pattern. In 94% of cases, we observed an increase followed by a steady decrease in nuchal translucency measurement.