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Table 1 Clinical characteristics of the pregnant women

From: Application of chromosomal microarray to investigate genetic causes of isolated fetal growth restriction

Group Early-onset (n = 52) Late-onset (n = 75)
maternal age (years) 33.6(19.9–43.5) 32.4(20.5–41.5)
height(cm) 160.1(154.5–171.5) 161.2(149.5–169.3)
BMIa 23.3(19.2-26.8) 24.1(18.5–27.4)
Nullipara (62.4%) (65.3%)
gestational age at diagnosis(weeks) 22.5(19.0–23.8)b 28.2(24.0-32.5)b
  1. aBMI based on the weight and height at the visit of the first trimester;
  2. bP < 0.05