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Table 2 IVF outcome of patients having one or more in situ endometrioma(s) at the time of IVF (Group A) vs. those previously operated for laparoscopic endometrioma(s) removal (Group B) vs. woman with tubal infertility (Group C, controls)

From: Ovarian endometriomas and IVF: a retrospective case-control study

 

Group A

Group B

Group C

p

Cancellation rate (%)

7.5

9.8

2.9

< 0.022,3

Total FSH dose (IU)

2339 ± 1248

3298 ± 1404

2537 ± 1090

< 0.0011,3

N. of retrieved oocytes

9.4 ± 4.3

8.2 ± 5.3

9.6 ± 4.0

< 0.033

MII oocytes (%)

71.2

68.8

66.9

ns

Ovarian sensitivity

5.6 ± 3.2

3.5 ± 3.5

5.0 ± 3.0

< 0.0011,3

Type of treatment (%)

    

IVF

77

72

68

ns

ICSI

19

23

25

ns

Combined

4

5

7

ns

Fertilization rate (%)

67.7

73.4

70.2

ns

Cycles with no fertilization (%)

6.6

8.2

10.0

< 0.042

Number of embryos transferred

2.0 ± 0.5

2.1 ± 0.6

2.2 ± 0.4

ns

Pregnancy rate/ started cycle (%)

41.5

36.6

35.0

ns

Pregnancy rate/OPU (%)

45.0

40.6

36.1

ns

Pregnancy rate/ ET (%)

48.4

44.1

40.1

ns

Implantation rate (%)

24.2

24.6

22.1

ns

Live-birth rate/ET (%)

34.6

25.8

30.8

ns

  1. 1Group A vs Group B, 2Group B vs Group C, 3Group A vs Group C, ns: not significant.