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Table 1 Characteristics of the two deliveries (n = 75)

From: Stratified analysis of the correlation between gestational weight gain and birth weight for gestational age: a retrospective single-center cohort study in Japan

  1st delivery 2nd delivery
Maternal age (year), mean (SD) 31.1 (4.6) 33.5 (4.6)
Maternal height (cm), mean (SD) 158.6 (5.8) 158.6 (5.8)
Pre-pregnancy weight (kg), mean (SD) 51.7 (6.8) 52.1 (6.4)
Pre-pregnancy BMI (kg/m2), mean (SD) 20.5 (2.4) 20.7 (2.3)
Multiparity, n (%) 0 (0.0) 75 (100)
Gestational week of delivery, mean (SD) 39.7 (1.1) 39.1 (1.1)
Gestational weight gain (kg/40 weeks), mean (SD) 10.9 (3.3) 10.8 (2.9)
Child sex: male, n (%) 41 (55) 36 (48)
Birth weight (g), mean (SD) 3043 (341) 3000 (342)
Birth length (cm), mean (SD) 50 (1.8) 50 (1.8)
Head circumference (cm), mean (SD) 33 (1.3) 34 (1.1)
Chest circumference (cm), mean (SD) 32 (1.4) 32 (1.6)
BW/GA percentile, mean (SD) 53.7 (27.9) 47.9 (26)
SGA, n (%) 5 (6.7) 5 (6.7)
  1. Data are presented as mean (SD) or n (%). SGA, small for gestational age.