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Table 4 The Gonadotropin ratio range of hMG:rFSH of 0.3ā€“0.4 was the most predictive of the optimal clinical pregnancy rate (CPR): (75.6% vs. 62.5% CPR within and outside of this range) respectively; pā€‰=ā€‰0.023, 95% CI 0.119, 1.618];

From: hMG addition affects the change in progesterone level during IVF stimulation and LBR: a retrospective cohort study

Gonadotropin Ratio

CPR Count

Total

CPR %

rFSH only

40

73

55%

0-0.3

32

73

44%

0.3ā€“0.4*

27

40

68%

>ā€‰0.4

57

105

54%

Total

156

291

54%

  1. *pā€‰=ā€‰<ā€‰0.05