From: hMG addition affects the change in progesterone level during IVF stimulation and LBR: a retrospective cohort study
Gonadotropin Ratio
LB Count
Total
LBR
rFSH only
32
73
44%
0-0.3
26
74
35%
0.3ā0.6*
56
100
56%
>ā0.6
21
44
48%
135
291
46%