Table 2.
Outcome of IVF in patients receiving rLH from day 1 (early LH group) or from day 7 (late LH group) of ovarian stimulation
| Early LH | Late LH | p | |
|---|---|---|---|
| Patients | 264 | 266 | |
| Total Gonadotropin dose (IU) | 6061 ± 412 | 5195 ± 372 | ns |
| Total FSH dose (IU) | 4090 ± 934 | 4223 ± 1086 | ns |
| Total LH dose (UI) | 2163 ± 285 | 1042 ± 348 | <0.01 |
| Cancellation rate (%) | 11.0 (29/264) | 10.1 (27/266) | ns |
| Stimulation length (days) | 14.2 ± 2.6 | 13.8 ± 2.2 | ns |
| Peak estradiol (pg/ml) | 988 ± 412 | 1096 ± 475 | ns |
| Retrieved oocytes/OPU | 3.7 ± 2.1 | 3.5 ± 2.4 | ns |
| Mature (MII) oocytes (%) | 83.6 | 81.1 | ns |
| Gonadotropin dose/oocyte (IU) | 1490 ± 788 | 1566 ± 812 | ns |
| Fertilization rate (%) | 84.4 | 80.8 | ns |
| Transferred embryos/ET | 1.69 ± 0.88 | 1.74 ± 0.90 | ns |
| PR/started cycle (%) | 13.2 (35/264) | 15.0 (40/266) | ns |
| PR/OPU (%) | 14.9 (35/235) | 16.7 (40/239) | ns |
| PR/ET (%) | 17.6 (35/199) | 19.9 (40/201) | ns |
| Implantation rate (%) | 11.8 (40/338) | 13.9 (48/344) | ns |
| Twinning rate (%) | 14.3 (5/35) | 20.0 (8/40) | ns |
| Miscarriage rate (%) | 28.5 (10/35) | 25.0 (10/40) | ns |
| Ongoing/delivered PR/ET (%) | 12.6 (25/199) | 14.9 (30/201) | ns |