Table 3 Clinical pregnancy rates per cycle according to method applied for timing insemination or intercourse (hCG-only, hCG plus LH-surge or LH-surge-only) among the different ovarian stimulation protocols. Results are expressed as rate (number of pregnancy cycles/total number of cycles).
HCG-only (group 1) | hCG + LH-surge (group 2) | LH-surge-only (group 3) | All Cycles | |
|---|---|---|---|---|
All stimulation cycles | 10.2% (109/1068) | 14.3% (69/483) | 2% (5/256) | 10.7% (183/1707) |
CC | 6.3% (34/539) | 15.9% (20/126) | 1.9% (2/106) | 7.3% (56/771) |
CC+FSH | 15% (16/108) | 30% (6/20) | 0 (0/4) | 16.7% (22/132) |
Letrozole | 9% (6/66) | 20.3% (14/69) | 9% (1/11) | 14.4% (21/146) |
Letrozole+FSH | 17% (14/82) | 17.2% (8/58) | 0 (0/3) | 17.5% (22/143) |
FSH | 14% (39/273) | 10% (21/210) | 6.3% (2/32) | 12.2% (62/515) |
No medication | 6.5% (5/78) | 12.7% (8/65) | 8.8% (13/150) | 8.9% (26/293) |