Table 1

Demographic and delivery details according to size and growth

Small for gestational age (SGA) babiesAppropriate for
gestational age
(AGA) babies
(n=42)
Fetal growth retardation (n=16) Normal growth (n=33)
Maternal age24 (16-39)28 (17-42)27 (16-39)
Non-caucasian2 (13%)2 (6%)2 (5%)
Primigravidae9 (56%)20 (61%)22 (52%)
Smokers8 (50%)1-150 5 (15%)9 (21%)
Hypertension2 (13%)2 (6%)3 (7%)
Gestation (days)269 (253-290)272 (257-292)274 (254-289)
Duration of labour (hours)6 (2-12)6 (2-10)7 (2-11)
Caesarean section for fetal distress3 (19%)4 (12%)3 (7%)
Birthweight (g)2277 (1360-2900)1-150 1-151 2569 (1701-3120)1-151 3570 (3200-4200)
Venous pH7.26 (7.08-7.40)1-151 7.29 (7.07-7.48)1-151 7.32 (7.22-7.46)
Venous base deficit4.9 (0.4-11.8)1-151 5.1 (0.6-10.7)1-151 3.1 (0.3-8.4)
5 minute Apgar score ≤ 72 (13%)4 (12%)3 (7%)
Admission5 (31%)1-150 1-151 1 (3%)0
Ponderal index2.28 (1.90-2.93)1-150 1-151 2.45 (2.13-3.42)2.60 (2.38-2.98)
MAC:HC ratio0.26 (0.23-0.30)1-150 1-151 0.28 (0.22-0.33)0.31 (0.28-0.35)
Subscapular skinfold thickness (mm)2.7 (2.0-4.3)1-150 1-151 3.1 (2.2-4.4)1-151 4.6 (2.9-6.1)
Triceps skinfold thickness (mm)2.7 (1.8-4.2)1-150 1-151 3.1 (2.2-4.4)1-151 4.7 (3.1-6.2)
  • Values are median (range) or numbers (%).

  • MAC mid-arm circumference, HC head circumference.

  • 1-150 P < 0.05 vs SGA babies with normal growth.

  • 1-151 P < 0.05 vs AGA babies.