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Table 2 Characteristics of the fresh cycles in the two study groups

From: Risk of miscarriage in women with endometriosis undergoing IVF fresh cycles: a retrospective cohort study

Characteristics

Endometriosis with Endometrioma n = 358

Endometriosis without Endometrioma n = 648

OR (95% CI)

P value

Duration of stimulation (days)

12.14 ± 2.37

11.49 ± 2.59

–

< 0.001

Total dose of FSH administered (IU)

3706.35 ± 1472.86

3336.09 ± 1418.81

–

< 0.001

Estradiol at the time of hCG administration (pg/ml)

2240.06 ± 1459.17

2252.25 ± 1680.12

–

0.91

Total oocytes retrieved

9.78 ± 5.21

10.23 ± 5.87

–

0.22

In vitro fertilization technique used

 IVF

254 (70.9)

466 (71.9)

0.954 (0.717–1.269)

0.75

 ICSI

104 (29.1)

182 (28.1)

–

 

Number of embryos-blastocysts transferred

 1

37 (10.3)

79 (12.2)

0.830 (0.549–1.256)

0.38

  ≥ 2

321 (89.7)

569 (87.8)

  

Stage at embryo transfer

 72 h

344 (96.1)

633 (97.7)

0.582 (0.278–1.220)

0.15

 Blastocysts

14 (3.9)

15 (2.3)

  

 Miscarriage

71 (19.8)

154 (23.8)

0.794 (0.578–1.089)

0.15