Hippokratia
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To investigate whether early nuchal translucency measurement at 7+0 to 9+0 weeks (NT7-9w) is feasible, obtain normal values for different crown-rump lengths (CRL) in the above weeks and create percentile tables. ⋯ According to the literature, this is the first attempt to measure NT in such weeks of pregnancy. NT measurement as early as 7+0 to 9+0 is feasible and normal values can be created and correlated with CRL measurements. HIPPOKRATIA 2021, 25 (4):151-155.