| Characteristic | Frequency | Percent |
| History of abortion |
|
|
| No | 116 | 92.1 |
| Yes | 10 | 7.9 |
| Total | 126 | 100.0 |
| History of preterm birth |
|
|
| No | 113 | 89.7 |
| Yes | 13 | 10.3 |
| Total | 126 | 100.0 |
| History of bleeding during the current pregnancy |
|
|
| No | 118 | 93.7 |
| Yes | 8 | 6.3 |
| Total | 126 | 100.0 |
| History of UTI during the current pregnancy |
|
|
| No | 116 | 92.1 |
| Yes | 10 | 7.9 |
| Total | 126 | 100.0 |
| HIV status |
|
|
| Seronegative | 109 | 86.5 |
| Seropositive | 17 | 13.5 |
| Total | 126 | 100.0 |
| Any other illness during the current pregnancy |
|
|
| No | 87 | 69.0 |
| Yes | 39 | 31.0 |
| Total | 126 | 100.0 |