Table 1.
Baseline characteristics of study population.
| Variables | Study population | |
|---|---|---|
| Median (IQR) | n (%) | |
| Maternal age (years) | 29 (25–35) | |
| Gestational age (weeks) | 36 (33–38) | |
| Gravidity | ||
| Primigravidity | 228 (37.8) | |
| Multigravidas | 375 (62.2) | |
| Parity | ||
| Nulliparous | 244 (40.5) | |
| Multiparous | 239 (59.5) | |
| Pregnancy interval | 2 (0–6) | |
| Height (cm) | 155 (152–159) | |
| Weight before pregnancy (g) | 55 (49–64) | |
| Weight at last trimester (g) | 65 (58–75) | |
| BMI before pregnancy | 23 (20.3–26.7) | |
| BMI at last trimester | 27.30 (24.42–31.22) | |
| Presence of chronic disease | ||
| Yes | 125 (20.7) | |
| No | 487 (79.3) | |
| History of vaginal delivery | ||
| Yes | 240 (39.8) | |
| No | 363 (60.2) | |
| History of uterine surgery | ||
| Yes | 146 (24.2) | |
| No | 457 (75.8) | |
| Systolic BP | 120 (110–140) | |
| Diastolic BP | 80 (70–90) | |
| Pregnancy program | ||
| Yes | 1 (0.2) | |
| No | 602 (99.8) | |
| Types of pregnancy | ||
| Single | 569 (94.4) | |
| Twin | 34 (5.6) | |
| Premature rupture of membranes | ||
| No | 428 (71.1) | |
| Yes | 174 (28.9) | |
| Obstetrical complications | ||
| No | 396 (65.7) | |
| Yes | 207 (34.3) | |
| Preeclampsia/eclampsia | 144 | |
| Gestational diabetes mellitus | 11 | |
| IUGR | 75 | |
| Placenta previa/Placental abruption | 40 | |
| Birth weight (gram) | 2550 (1900–3050) | |
| Cephalic presentation | ||
| No | 95 (15.7) | |
| Yes | 508 (84.3) | |
IQR: interquartile range; BMI: body mass index; BP: blood pressure.