Variable

Total No

BV-pos n (%)

OR

p-value

Trimester

First

18

6 (33.3)

1.39 [0.49 - 3.93]

0.58

Second

108

26 (24.1)

0.73 [0.39 - 1.36]

0.31

Third

74

22 (29.7)

1.24 [0.66 - 2.56]

0.51

Colour of vag. discharge

Whitish

28

6 (21.4)

0.71 [0.27 - 1.84]

0.47

Yellowish

74

28 (37.8)

2.34 [1.24 - 4.43]

0.08

Greenish

4

2 (50)

2.77 [0.38 - 20.17]

0.29

Others

94

18 (19.1)

0.46 [0.24 - 0.88]

0.02

Odour of vag. discharge

Offensive

55

32 (58.2)

7.78 [3.86 - 15.69]

<0.0001

Non-offensive

145

22 (15.2)