| Supplementary Table 4. Clinical pregnancy rate, delivery rate and gestational order according to the number of frozen embryos transferred in oocyte donation cycles in 2022. | |||||||||||||
| Number of embryos transferred |
Embryo transfers |
Clinical pregnancies |
Embryo transfers |
Deliveries | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number | % | Number | CPR (%) | Number | Number of deliveries | Delivery rate per embryo transfer |
Singleton (n) | Singleton (%) | Twin (n) |
Twin (%) |
≥Triplets (n) | ≥Triplets (%) | |
| 1 | 4445 | 54.2 | 1852 | 41.7 | 4347 | 1417 | 32.6 | 1390 | 98.1 | 27 | 1.9 | 0 | 0.0 |
| 2 | 3287 | 40.0 | 1669 | 50.8 | 3159 | 1273 | 40.3 | 935 | 73.4 | 331 | 26.0 | 7 | 0.5 |
| ≥3 | 476 | 5.8 | 277 | 58.2 | 462 | 222 | 48.1 | 124 | 55.9 | 87 | 39.2 | 11 | 5.0 |
| Total | 8208 | 100 | 3798 | 46.3 | 7968 | 2912 | 36.5 | 2449 | 84.1 | 445 | 15.3 | 18 | 0.6 |
*Excludes cases with PGT.
**Excluding cases of pregnancies with loss of follow-up (LFU).