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
44%
0.3ā0.4*
27
68%
>ā0.4
57
105
54%
156
291