| Variable | Mean ± Standard deviation | Range |
| Maternal age (Years) | 32.4 ± 4.3 | 22 - 47 |
| Number of previous caesarean section | 1.1 ± 0.4 | 1 - 2 |
| Gestation at caesarean section (weeks) | 36.1 ± 2.7 | 30.2 - 40 |
| Gravidity | 3 | 2 - 4 |
| Placental implantation | 69 |
|