Table 2 Studies regarding the fertility outcome after bowel resection for intestinal endometriosis, compared with the conducted study

Darai 2005

34 (colorectal endometriosis)

12

5 (PR = 42 %)

24 months (mean FU), min 6 months

LPS segmental intestinal resection

PR in the whole group = 45% (10/22)

9 spontaneous pregnancies, 3 with IVF

Thomassin 2004

27 (colorectal endometriosis)

8

2

15 months (mean FU), range 3–22 months

Segmental intestinal resection: 25 LPS, 2 LPT

4 pregnancies in the whole group (4/27)

All spontaneous pregnancies

Fleisch 2005

23 (infiltrative endometriosis of bowel or bladder)

4

2

45 ± 18 months

LPT, 22 segmental resections

4 pregnancies in the whole group (4/17)

Only a pregnancy obtained with IVF, other 3 were spontaneous

Kavallaris 2003

50 (rectal endometriosis)

17 searching offspring (38 infertile PZ)

8 (PR = 47 %)

32 months

LPS, segmental intestinal resection

3 early abortion, non-EP

2 pregnancies after IVF, others were spontaneous

Possover 2000

34 (segmental intestinal resection)

15

8 (PR = 53 %)

16 months (mean FU)

Via vaginal resection laparoscopically assisted

All patients with primary infertility

Stepniewska 2009

60 (bowel endometriosis)

48

17 (PR = 35 %)

26.9 months (mean FU)

LPS, segmental intestinal resection

PR compared with no resection surgery

PR improved by intestinal resection when there are lesions

Our study

54 (bowel endometriosis)

54

33 (PR = 61 %)

Mean 113 months (d.s. 16), range 68–153, median 113

LPS, segmental intestinal resection

50 pregnancies with newborns

36 spontaneous (71.43 %), 14 with IVF e IUI (28.57 %)