| Table 2. Comparison between the number of cryopreserved and fresh oocytes used in the years from 2011 to 2021. | ||
| Year | Number of cryopreserved oocytes | Number of oocytes used fresh |
|---|---|---|
| 2011 | 0 | 56 |
| 2012 | 0 | 25 |
| 2013 | 0 | 58 |
| 2014 | 13 | 42 |
| 2015 | 6 | 135 |
| 2016 | 17 | 57 |
| 2017 | 197 | 38 |
| 2018 | 261 | 0 |
| 2019 | 246 | 0 |
| 2020 | 89 | 0 |
| 2021 | 200 | 0 |