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Table 1 The available demographic data of enrolled pregnant women

From: Non-invasive prenatal test to screen common trisomies in twin pregnancies

Parameters

Values

Maternal age (mean ± SD)

34.5 ± 3.1

Weight (mean ± SD)

70.4 ± 5.1

Height (mean ± SD)

159 ± 7.1

Body Mass Index (mean ± SD)

27.846 ± 1.3

Fetal fraction (mean)

10.5%

Gestational age at sampling (mean ± SD)

15w + 4d (±5d)

Gestational age at deliverya(mean ± SD)

35w + 5d (±4d)

Gestational diabetes (number (%))

102 (20.4%)

Hypothyroidism (number (%))

98 (19.6%)

Type of pregnancy (number (%))

Spontaneous

317 (63.4%)

IVF-ICSI

173 (34.6%)

IUI

10 (2%)

  1. aBased on the data of 356 pregnancies