Piercing

No

6

1

0.8

Yes

184

10

Excision

No

188

10

0.0001*

Yes

2

1

Bleeding in pregnancy

No

180

11

0.69

Yes

10

0

Water loss

No

188

10

0.1

Yes

2

1

Lumbopelvic pain

No

126

7

0.58

Yes

64

4