Table 1: Clinical outcomes of fresh and vitrified/warmed cycles
Fresh cycle 1st +2nd VWC P-value
Cycles 211 120  
age (mean ± SD) 33.0±3.6 33.1±3.2 0.8707
Total collected oocytes 3260 -  
Total mature oocytes 2650 -  
Mature oocytes (mean ± SD) 12.6 ± 4.3 -  
Vitrified oocytes 1488 -  
Thawed oocytes - 511  
Surviving oocytes (survival rate %) - 458 (89.6)  
Injected oocytes 1045 458  
Fertilized oocytes (fertilization rate %) 882/1045 (84.4) 373/458 (81.4) 0.1546
Embryos type I or II (quality rate %) 457/882 (51.8) 188/373 (50.4) 0.6474
Transferred embryos 516 272  
Transferred embryos (mean ± SD) 2.4 ± 0.6 2.3± 0.9 0.0911
N° gestational sacs (Implantation rate %) 102/516 (19.8) 51/272 (18.8) 0.7314
VWC: Vitrified/Warmed cycle