Table 1 Recovery rates of early blastocyst (EB) and fully expanded blastocyst (FEB) vitrified using E.Vit device with Multi-step or Two-step methods
Embryonic stage | No. of embryos | No. of recovered embryos | Recovery rate, % | |
|---|---|---|---|---|
Two-step (TS) method | EB | 37 | 33/37 | 89.1% |
FEB | 90 | 80/90 | 88.89% | |
Multi-step (MS) method | EB | 37 | 32/37 | 86,49% |
FEB | 95 | 86/95 | 90.5% |