Skip to main content

Table 1 NIPT results for the Case

From: A case of placental trisomy 18 mosaicism causing a false negative NIPT result

Gestational Weeks Unique reads/M Fetal DNA Fraction NIPT Z-scores NIPT result
Chromosome21 Chromosome18 Chromosome13
15 3.25 7.80% −0.466 1.889 1.369 Low Risk
34 3.36 16.6% −1.491 5.500 −0.016 High Risk of T18
  1. Z scores were calculated as previously described [12] with a normal range > −3 and <3