| Variable | Category | Total No | TV-pos n (%) | OR | p-value |
| Trimester | First | 18 | 0 (0) |
| 1 |
| Second | 108 | 4 (3.7) |
| 0.13 | |
| Third | 74 | 0 (0) |
| 0.29 | |
| Colour of vaginal discharge | Yellowish | 74 | 2 (2.7) | 1.72 [0.24 - 12.49] | 0.63 |
| Greenish | 4 | 2 (50) | 97 [8.76 - 1047.95] | 0.02 | |
| Others | 94 | 0 (0) |
| 0.12 | |
| Offensive | 55 | 4 (7.3) | 72 [2.76 - 13.854] | 0.01 | |
| Non-offensive | 145 | 0 (0) |
|
|