| Table 1. Outcome | |||||
| Outcome | Fresh | Vitrified | p value | ||
| Laboratory Parameters | Mean | SD | Mean | SD | |
| Number of oocytes received (n) | 11.01 | 3.38 | 7.54 | 1.81 | <0.0001 |
| Number of inseminated oocytes (n) | 9.48 | 3.23 | 7.14 | 1.72 | <0.0001 |
| Fertilization rate (%) | 74.64 | 19.33 | 70.03 | 19.83 | 0.03 |
| Mean number of transferable embryos | 4.59 | 2.48 | 2.56 | 1.53 | <0.0001 |
| Blastocyst rate (%) | 63.89 | 24.03 | 52.21 | 27.23 | 0,00 |
| Reproductive Outcome | + (n)/cycles (n) | % | + (n)/cycles (n) | % | p value |
| Ongoing pregnancy rate*(First Transfer) (%) | 133/298 | 44.63% | 28/73 | 38.36% | 0.329 |
| Cumulative ongoing pregnancy rate*(%) | 180/237 | 75.95% | 30/61 | 49.18% | <0.0001 |
| * Ongoing pregnancy rate considers deliveries and positive ultrasounds to date. | |||||