| Variables | Frequency | Percentage | |
| Number of previous deliveries | Nulliparous | 75 | 32.3% |
| 1 - 4 | 135 | 58.2% | |
| Greater than or equal to 5 | 22 | 9.5% | |
| History of abortion | Yes | 24 | 10.3% |
| No | 208 | 89.7% | |
| Contraceptive use prior to current pregnancy | Yes | 179 | 77.2% |
| No | 53 | 22.8% | |
| Birth interval from index child | Less than 2 year | 14 | 6.0% |
| Greater than or equal to 2 year | 160 | 68.9% | |
| History of menstrual irregularities | Yes | 82 | 35.3% |
| No | 150 | 64.7% | |
| Gestational age in weeks | less than or equal to 12 week | 45 | 19.4% |
| 13 - 24 week | 63 | 27.2% | |
| greater than or equal to 25 week | 134 | 57.8% | |
| History of using contraceptives | Yes | 183 | 78.9% |
| No | 49 | 21.1% | |
| Type of contraceptive women used (n = 183) | Injectable | 131 | 71.6% |
| Pills | 34 | 18.6% | |
| Loop/IUCD | 16 | 8.7% | |
| Others | 2 | 1.1% | |