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Table 1 Demographic characteristics of patients with PRUV

From: Ultrasonic detection of fetal persistent right umbilical vein and incidence and significance of concomitant anomalies

Characteristic Total Isolated Complicated
Age, years 28.8 ± 4.5 28.8 ± 4.4 28.7 ± 4.6
Gestational age at examination, weeks 28.0 ± 4.8 28.0 ± 4.6 27.8 ± 5.5
BMI 25.8 ± 3.9 25.8 ± 3.8 25.9 ± 4.2
Singleton, n 719 622 97
Twin, n 37 32 5
Primipara, n 615 533 82
Multipara, n 141 121 20
Birth weight, g 3023 ± 482 3134 ± 453 2878 ± 590