| Variable | Category | Frequency | Percent (%) |
|---|---|---|---|
| Gravidity | Primigravida | 83 | 29 |
| Multigravida | 203 | 71 | |
| Birth interval | < 2 years | 210 | 73.4 |
| > 2 years | 76 | 26.6 | |
| Gestational age | First trimester | 80 | 28 |
| Second trimester | 120 | 42 | |
| Third trimester | 86 | 30.1 | |
| Use of contraceptives | Yes | 177 | 61.9 |
| No | 109 | 38.1 | |
| Iron supplementation on current pregnancy | Yes | 221 | 77.3 |
| No | 65 | 22.7 | |
| Previous history of abortion | Yes | 62 | 22 |
| No | 223 | 78 | |
| Parasitic infection | Yes | 32 | 11.2 |
| No | 254 | 88.8 | |
| Presence of chronic diseases | Yes | 3 | 1 |
| No | 283 | 99 |