Skip to main content

Table 4 Baseline characteristics, ovarian stimulation characteristics and outcomes of patients with pre-ovulatory E2 > 23% decreases with OPU performed as scheduled or emergently

From: Decrease in preovulatory serum estradiol is a valuable marker for predicting premature ovulation in natural/unstimulated in vitro fertilization cycle

Characteristic

Emergency OPU

(n = 153)

OPU as scheduled

(n = 117)

P Value

Age of women

40.09 ± 5.60

40.47 ± 5.45

0.409

BMI of women

21.28 ± 4.28

21.85 ± 2.59

0.179

Baseline FSH(mIU/mL)

10.83 ± 8.24

10.34 ± 4.42

0.435

Infertility duration

3.42 ± 2.65

3.21 ± 2.36

0.245

Infertility causes, n (%)

 Tubal factor

22(14.37)

19(16.24)

0.657

 Male factor

31(20.26)

26(22.22)

0.696

 Endometriosis

21(13.73)

20(17.09)

0.445

 DOR

152(99.35)

114(97.44)

0.198

 Uterine factor

0(0)

2(2.24)

0.105

 hCG/Tiplilin trigger (%)

25(16.34)

30(25.64)

0.06

 Premature LH surge

128(83.66)

87(74.35)

0.06

 No. of oocytes retrieved

0.87 ± 0.41

0.58 ± 0.56

< 0.001

 Oocytes retrieval rate (%)

76.71 ± 42.41

74.32 ± 43.98

0.443

 Mature oocytes

0.80 ± 0.42

0.52 ± 0.55

< 0.001

 Mature oocytes rate (%)

92.25 ± 26.85

88.89 ± 31.68

0.130

 Fertilization rate (%)

84.68 ± 36.17

84.48 ± 36.52

0.946

 Embryos frozen

0.40 ± 0.49

0.24 ± 0.43

< 0.001

 Top-quality embryos

0.20 ± 0.40

0.17 ± 0.37

0.106

 Premature ovulation rate

4(2.61)

48(41.03)

< 0.001

 Empty Follicle syndrome

17(11.11)

11(9.40)

0.648

 IVF cycle without embryo frozen

91(59.5%)

88(75.2%)

0.007

 Implantation rate (%)

36.84(14/38)

27.27 (6/22)

0.148

 Clinical pregnancy rate per transfer (%)

34.21(13/38)

22.73(5/22)

0.137

 Miscarriage rate per transfer (%)

5.26(2/38)

9.09(2/22)

0.619

 Live birth rate per transfer (%)

18.42(7/38)

9.09(2/22)

0.464

 Ongoing pregnancy rate per transfer (%)

13.16(5/38)

9.09 (2/22)

1.000

  1. Data are presented as the means ±SD, BMI: body mass index. DOR: Diminished ovarian reserve