Nuchal Translucency Scan Date Calculator
Calculate your NT scan window between 11 weeks 2 days and 13 weeks 6 days for optimal measurement.
NT Scan Window Start
3/21/2026
11 weeks 2 days from LMP
Window End
4/8/2026
13 weeks 6 days from LMP
Ideal Date
3/30/2026
~12 weeks 4 days
Current Week
16 weeks, 4 days