False-positive NIPT results (n = 3) | |||||||||
Results | MA (yrs) | GA (wks) | BMI (bmi) | FF (%) | Cytogenetic confirmation | Remark | |||
T13 | 37 | 11 | Overweight (23.28) | 20.7 | 46, XY | Vanishing Twin | |||
XO | 36 | 11 + 3 | Normal (20.59) | 5.6 | 46, XX | Family history of aneuploidy | |||
XO | 35 | 17 + 1 | Normal (19.7) | 9.9 | 46, XX | ||||
Cytogenetic variant NIPT results (n = 3) | |||||||||
T18 | 34 | 11 + 5 | Normal (21.9) | 12.4 | 46, XY, psu idic (18) (p11.31) | Ultrasound result (NT 3.9 mm) | |||
T21 | 41 | 13 | Unknown | 10.2 | 46, XY, +21, der (21; 21) (q10; q10) | Ultrasound result (NT 3.9 mm) | |||
XO | 37 | 16 + 5 | Overweight (23.7) | 7.2 | 46, XX, del (X) (p11.1) [24]/46, X, i (X) (q10) [6] | ||||