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Table 1 Demographic characteristics of cohort

From: Application of non-invasive prenatal testing in screening chromosomal aberrations in pregnancies with different nuchal translucency cutoffs

 

Group A (NT 2.5–2.9 mm)

Group B (NT 3.0–3.4 mm)

Group C (NT ≥ 3.5 mm)

Pregnancies number

864

350

256

Maternal age (years)

30.9 ± 4.5

31.0 ± 4.4

32.1 ± 5.0

Gestational age (weeks) for NIPT

14.5 ± 2.6

13.8 ± 2.3

13.4 ± 2.0

Chromosome diagnostic testing

74 (8.4%)

95 (27.1%)

141 (55.1%)

  1. NIPT, non-invasive prenatal testing
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Molecular Cytogenetics

ISSN: 1755-8166