Table 3 The differences in embryological/clinical outcomes in relation to different measures of progesterone elevation

Fertilization rate

61.2 ± 0.5

62.7 ± 0.7

0.73

60.3 ± 0.4

64.3 ± 0.5

0.62

67.3 ± 0.5

63.7 ± 0.6

0.92

Total no. of embryos transferred

3.1 ± 0.02

2.9 ± 0.0.3

0.81

3.2 ± 0.04

2.9 ± 00.8

0.74

3.1 ± 0.03

3.1 ± 00.1

0.86

No. of grade A embryos transferred

2.6 ± 0.02

2.7 ± 0.0.3

0.81

2.8 ± 0.04

2.7 ± 00.2

0.74

2.7 ± 0.02

2.8 ± 00.3

0.79

Implantation rate

28.8 ± 0.3

26.3 ± 0.4

0.62

29.1 ± 0.2

27.6 ± 0.4

0.85

29.2 ± 0.3

11.3 ± 0.2

0.001*

Clinical pregnancy rate (CPR)

53/80

(44.2%)

44/120

(36.7%)

0.56

47/95

(49.5%)

50/105

(47.6%).

0.79

66/89

(74.2)

27/111

(24.3)

0.001