Table 1 Patients’ demographic characteristics and perinatal outcome in pregnancies with normal birthweight or small-for-gestational age neonates
Characteristics | Normal birthweight (n = 328) | SGA (n = 50) | P |
|---|---|---|---|
Maternal age (years) | 35.5 ± 4.5 | 34.7 ± 4.1 | 0.239 |
Maternal weight (kg) | 67.8 ± 13.1 | 61.6 ± 11.4 | < 0.001* |
Maternal height (cm) | 164.9 ± 6.1 | 163.3 ± 6.7 | 0.089 |
BMI (kg/m2) | 25.0 ± 4.7 | 23.1 ± 3.7 | 0.004* |
Smoking (%) | 7.3 (24) | 8 (4) | 0.776 |
Nulliparity (%) | 63.1 (207) | 78 (39) | 0.040* |
ART conception (%) | 9.8 (32) | 4 (2) | 0.286 |
Pre-existing DM (%) | 0.3 (1) | 0 | 0.696 |
Chronic hypertension (%) | 4.9 (16) | 4 (2) | 0.786 |
Kidney disease (%) | 1.2 (4) | 0 | 0.432 |
Autoimmune disease (%) | 4 (13) | 2 (1) | 0.704 |
Thrombophilia (%) | 1.5 (5) | 6 (3) | 0.075 |
Previous PE (%) | 4.6 (15) | 0 | 0.236 |
Previous SGA (%) | 2.1 (7) | 6 (3) | 0.133 |
Treatment with AAS (%) | 11.3 (37) | 14 (7) | 0.576 |
GA at delivery | 38.8 ± 1.8 | 38.5 ± 1.8 | 0.259 |
Induction of labour (%) | 24 (79) | 40 (20) | 0.017* |
GA at induction | 39.42 ± 1.62 | 39.1 ± 1.33 | 0.226 |
Cesarean delivery (%) | 32 (105) | 36 (18) | 0.5 |
Birth weight (mean, g) | 3200 ± 493 | 2498 ± 352 | < 0.001* |
Neonatal feminine sex (%) | 41.2 (135) | 32 (16) | 0.218 |
Arterial pH | 7.25 ± 0.08 | 7.27 ± 0.06 | 0.181 |
Apgar 5’ | 9.98 ± 0.64 | 9.92 ± 0.27 | 0.995 |
5’ Apgar score < 7 (%) | 0.6 (2) | 0 | 0.580 |
Arterial pH < 7.15 (%) | 10.5 (25) | 0 | 0.055 |
Preeclampsia (%) | 5.8 (19) | 8 (4) | 0.525 |
Gestational Hypertension (%) | 2.4 (8) | 0 | 0.604 |