Typ II:

46 44.23% 104 = 100%

Aa

20 19.23%

Ab

4 3.84%

Ba

10 9.61%

Bb

12 11.53%

RVF (*9)

0

Others

5 4.88%

Combined fistula (VVF + RVF)

0

VCVF + CS―Figure 16

Number of patients. (%) 104 = 100%

VCVF + CS

25 24.04%

VCVF without CS

3 2.88%

VCVF - mode of delivery―Figure 17

Number of patients. (%) 28 = 100%

CS

25 89.28%

INSTRUMENTAL (vacuum)

1 3.57%

SVD

1 3.57%

No data available

1 3.57%

CS + Typ I (other than VCVF)

13

CS + Typ II

25 25 = 100%

II Aa

8 32%

II Ab

0

II Ba

8 32%

II Bb

9 36%

CS + Typ III

3 2.89% 104 = 100%

Conclusion

104 = 100%

VVF definitely iatrogenic

(ureteric, VCVF + live baby)

4 (ureteric) + 25 (VCVF + CS) =>29

27.89% (out of 104)

VVF probably iatrogenic

(Vault fistula after CS/ Hysterectomy)

8 but not included in the study

VVF likely iatrogenic (VCVF + stillbirth (SB))

16―differentiation below.

some VCVF no data if SB or alive

VCVF + SB

16 15.39% 104 = 100%

VCVF + CS + SB

14 13.46% 104 = 100%

VVF ischemic

VVF iatrogenic (CS) *1

29 + 8 = 37 35.58% 104 = 100%

VVF iatrogenic vacuum

2 1.92%

Ureteric

5 4.88%

VVF + Stress incontinence

3 2.88%

VVF + RVF

0

Perineal tear

0

No data

2