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Table 1 Reasons reported for GBS testing during pregnancy

From: Factors associated with choice of approach for Group B streptococcus screening

Timing

Any

<35 weeks

35–37 weeksa

>37 weeks

Reason

n

(%)

n

(%)

n

(%)

n

(%)

Routine pre-natal care

628

72.4

65

48.5

396

77.2

165

75.7

Woman’s request

54

6.2

3

2.3

33

6.4

18

8.3

Previous GBS infection in a newborn infant

23

2.7

1

0.8

17

3.3

5

2.3

ROM before week 37

7

0.8

3

2.2

4

0.8

-

-

Contractions with marked cervix changes before week 37

38

4.4

26

19.4

10

2.0

2

0.9

GBS bacteriuria in the current pregnancy

27

3.1

13

9.7

8

1.6

6

2.7

GBS carrier in previous pregnancy

27

3.1

3

2.2

16

3.1

8

3.7

Other

25

2.9

11

8.2

10

1.9

4

1.8

Reason unknown/not recalled

38

4.4

9

6.7

19

3.7

10

4.6

Total No. of women who responded to question

867

100

134

100

513

100

218

100

  1. aFor two women the gestational age was known, however no reason was recorded on questionnaire. They were categorized as missing information and are not included in the table