| Nugent’s score | And | Interpretation |
| 0 - 3 | No clue cells | Normal vaginal flora |
| 4 - 6 | No clue cells | Intermediate or Not consistent with Bacterial vaginosis |
| 4 - 6 | Clue cell present | Indicative of bacterial vaginosis |
| ≥7 | Clue cell present or absent | Indicative of bacterial vaginosis |