Natera Panorama Verinata Verifi Sequenom MaterniT21 PLUS Ariosa Harmony
Identified Trisomies 13, 18, 21 13, 18, 21, sex chromosomes 13, 18, 21, sex chromosomes 13, 18, 21, sex chromosomes
Identified Monosomies X Chromosome X Chromosome X Chromosome X Chromosome
Method Single Nucleotid Polymorphism Massive Parallel Sequencing Massive Parallel Sequencing Selective Sequencing
Sensitivity 92-99% 87-99% 92-99% 80-99%
Specificity earlier 100% 100% >99% >99%
gestational age 9 w 10 w 10 w 10 w
Table 2: NIPT is not diagnostic, since it can render false positive results.