Skip to main content

Advertisement

Table 1 Demographic characteristic of pregnant women undergoing NIPT

From: Performance of non-invasive prenatal testing for trisomies 21 and 18 in twin pregnancies

Characteristic DCDA(n = 337) MCDA(n = 95)
Maternal age (years)
  < 35(n, %) 197(58.5) 74(77.9)
  > =35(n, %) 140(41.5) 21(22.1)
Gestational age NIPT
 9-13 week(n, %) 47(13.9) 14(14.7)
 14-27 week(n, %) 278(82.5) 72(75.9)
  > =28 week(n, %) 12(3.6) 9(9.5)
Type of pregnancy
 Artificial reproductive technology 247(73.3) 92(96.8)
 Natural pregnancy 90(26.7) 3(3.2)
  1. DCDA Dichorionic diamniotic, MCDA Monochorionic diamniotic