Table 4 Oral care status during pregnancy

Frequency of daily tooth brushing^a

 1 time

115 (75.7)

 2 times

36 (23.7)

3 times

1 (0.7)

Frequency of brush replacement^b

 3 months

39 (26.0)

 6 months

21 (14.0)

 1 year or more

80 (53.3)

No brush used

10 (6.7)

Oral cleaning method

 Brush and paste

132 (86.3)

 Brush

11 (7.2)

 Stick or finger

8 (5.2)

 Gargle

2 (1.3)

Lifetime dental examination history

22 (14.4)