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Table 1 A Scoring system (0 to 10) for Gram-stained vaginal smears

From: Prevalence of bacterial vaginosis and associated risk factors in pregnant women receiving antenatal care at the Kumba Health District (KHD), Cameroon

Lactobacillus morphotypes Gardnerella/Bacteroides morphotypes Curved Gram variable rods
Score of 0 for > 30 Score of 0 for 0 Score of 0 for 0
Score of 1 for 15–30 Score of 1 for < 1 (this is an average, so results can be > 0, yet < 1) Score of 1 for < 5
Score of 2 for > = 1–14 Score of 2 for 1–4 Score of 2 for > = 5
Score of 3 for < 1 (this is an average, so results can be > 0, yet < 1) Score of 3 for 5–30  
Score of 4 for 0 Score of 4 for > 30