first

trimester

second

trimester

third

trimester

one week

postpartum

p values

Number

59

71

77

68

Proportion of women with LBPP (%)

66.3

79.8

86.5

76.4

0.003

VAS score

1.8 (0.0 - 4.1)

3.0 (0.7 - 5.6)

5.1 (2.7 - 6.3)

2.7 (0.5 - 5.0)

<0.001

EPDS score

5.0 (4.0 - 8.0)

4.0 (2.0 - 7.0)

5.0 (2.5 - 7.0)

6.0 (2.0 - 9.0)

<0.001