Characteristics | MPA + HMG Group (n = 150) | Ultra-long Group (n = 150) | P |
---|---|---|---|
hMG dose (IU) | 1882.50 ± 388.77 | 2456.50 ± 560.17* | < 0.001 |
hMG duration, days | 8.72 ± 1.48 | 11.31 ± 2.26* | < 0.001 |
hMG dose per follicle, IU | 225.25 ± 130.47 | 282.18 ± 267.05* | 0.02 |
The level of E2 per mature follicle (ng/ml) | 272.47 ± 91.68 | 232.55 ± 92.32* | < 0.001 |
FOI | 89.83 (1395/1553) | 97.02 (1400/1443) | < 0.001 |
Cancelled cycle | 0 | 0 | / |
No. of > 10 mm follicles on the triggering day | 10.70 ± 5.27 | 12.28 ± 6.60* | 0.023 |
No. of > 14 mm follicles on the triggering day | 7.09 ± 3.82 | 8.79 ± 5.11* | 0.001 |
No. of > 10 mm follicles on oocytes pick up day | 12.41 ± 5.47 | 14.21 ± 6.96* | 0.013 |
No. of oocytes punctured | 12.68 ± 7.11 | 13.55 ± 7.49 | 0.301 |
Oocytes retrieved (n) | 9.30 ± 5.73 | 9.33 ± 5.36 | 0.959 |
MII oocytes (n) | 7.77 ± 5.23 | 8.23 ± 4.93 | 0.434 |
Fertilized oocytes (n) | 6.73 ± 5.00 | 6.92 ± 4.35 | 0.722 |
Top-quality embryos (n) | 2.69 ± 2.43 | 2.43 ± 2.44 | 0.368 |
Viable embryos (n) | 3.09 ± 2.46 | 3.07 ± 2.38 | 0.943 |
Oocyte retrieval rate, % | 73.34 (1395/1902) | 68.86 (1400/2033) | 0.38 |
Mature oocyte rate, % | 83.58 (1166/1395) | 88.21 (1235/1400)* | < 0.001 |
Fertilization rate, % | 65.23 (910/1395) | 65.35 (915/1400) | 0.945 |
ICSI rate, % | 31.33 (47/150) | 40.6 7(61/150) | 0.092 |
Fertilization rate for ICSI, % | 90.13 (283/314) | 84.40 (357/423)* | 0.023 |
Cleavage rate, % | 97.03 (883/910) | 97.81 (995/915) | 0.292 |
High quality embryo rate, % | 28.89 (403/1395) | 26.07 (365/1400) | 0.095 |
Viable embryo rate, % | 33.26 (464/1395) | 32.93 (461/1400) | 0.852 |
Cancellation rate, % | 14 (21/150) | 8.67 (13/150) | 0.380 |
Premature LH rate, % | 0 | 0 | / |
Incidence of OHSS, % | 0 | 0 | / |