Skip to main content

Advertisement

Table 1 Distributions of maternal age and gestational age of pregnant women who underwent NIPT on two NGS platforms

From: Non-invasive prenatal testing to detect chromosome aneuploidies in 57,204 pregnancies

  Illumina Proton
MA (years)
 Median 30.0 30.0
 Mean ± SD 30.1 ± 5.0 30.4 ± 5.0
 Min-Max 16–50 15–49
AA (≥35) 8265 (22.1%) 5021 (25.3%)
 AA with positive NIPT 158 (1.9%) 88 (1.8%)
GA (weeks)
 Median 18.0 17.0
 Mean ± SD 17.7 ± 2.0 17.6 ± 2.1
 Min-Max 11–30 11–30
Twin pregnancies 207 (0.6%) 218 (1.1%)
IVF-ET pregnancies 457 (1.2%) 429 (2.2%)
  1. AA Advanced age, GA gestational age, MA maternal age, NGS next-generation sequencing