From: Non-invasive prenatal testing of fetal chromosomal aneuploidies: validation and clinical performance of the veracity test
Karyotype
Number of Samples
Correct call
Normal
286
286 (95% CI, 98.7–100%)
Turner (45,X)
7
Klinefelter (47,XXY)
4
Triple X (47,XXX)
2
47,XYY
1