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Table 2 Characteristics of cycle parameters in both the group

From: Progestin-primed ovarian stimulation vs mild stimulation in women with advanced age above 40: a retrospective cohort study

Variables

Mild stimulation

PPOS

p value

Duration of ovarian stimulation (days)

9.06 ± 2.05

8.49 ± 2.03

0.108

Total dose of gonadotropin (IU)

1518.14 ± 547.25

2061.17 ± 1254.63

< 0.001

FSH on trigger day (mIU/ml)

16.76 ± 6.90

16.51 ± 4.80

0.432

LH on trigger day (mIU/ml)

9.38 ± 4.72

5.14 ± 2.81

< 0.001

Estradiol on trigger day (pmol/L)

6959.59 ± 4399.75

5241.02 ± 2712.04

0.013

Progesterone on trigger day (nmol/L)

2.61 ± 1.78

1.83 ± 2.57

0.028

Premature LH surge-no. (%)

15(12.3%)

1(2.1%)

0.044

Cancelation rate (%)

31(25.4%)

7(14.9%)

0.207

Number of oocytes retrieved

3.57 ± 2.77

3.72 ± 2.76

0.740

Number of mature oocytes

3.08 ± 2.39

2.87 ± 2.20

0.602

Fertilization rate (%)

79.05 ± 31.50

77.36 ± 30.74

0.754

Cleavage rate (%)

87.25 ± 30.25

90.06 ± 29.43

0.585

Viable embryo rate (%)

61.16 ± 41.64

73.55 ± 36.58

0.095

Top-quality embryos rate (%)

33.29 ± 39.32

50.08 ± 41.65

0.015

  1. Data was present as mean ± SD