Table 1.
 Demographic and clinical characteristics of 2635 pregnant women and their babies, according to pregnancy outcome. Values are numbers (percentages) unless stated otherwise
| Pregnancy outcome | |||
|---|---|---|---|
| Fetal growth restriction (n=343) | Appropriate fetal growth (n=2292) | Total (n=2635) | |
| Maternal characteristics | |||
| Mean (SD) age (years) | 30.0 (6.6) | 29.8 (6.5) | 30 (6.6) |
| Mean (SD) weight before pregnancy (kg) | 66.7 (13.2) | 66.8 (12.6) | 66.8 (13.1) |
| Mean (SD) body mass index before pregnancy (kg/m2) | 24.5 (4.5) | 24.5 (4.6) | 24.5 (4.5) |
| Primiparous | 186 (55) | 1042 (46) | 1228 (47) |
| Preterm labour | 29 (8) | 77 (3) | 106 (4) |
| Gestational hypertension or pre-eclampsia | 25 (7) | 42 (2) | 67 (3) |
| Stillbirth | 3 (0.9) | 6 (0.3) | 9 (0.3) |
| Late miscarriage | 3 (0.9) | 16 (0.7) | 19 (0.7) |
| Neonatal characteristics | |||
| Mean (SD) gestational age at delivery (weeks) | 40 (3) | 40 (2) | 40 (2) |
| Mean (SD) birth weight (g) | 2750 (520) | 3560 (470) | 3450 (550) |
| Male | 172 (50) | 1152 (52) | 1324 (51) |