| Supplementary Table 4. Clinical pregnancy rate, delivery rate and gestational order according to the number of frozen embryos transferred in OD in 2021. | |||||||||||||
| Number of embryos transferre |
Embryo transfers |
Clinical pregnancies |
Embryo Transfers* |
Deliveries | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number | % | Number | % | Number | Number of deliveries | Delivery rate per embryo transfer* (%) |
Singleton (n) | Singleton (%) | Twin (n) |
Twin (%) |
≥Triplets (n) | ≥Triplets (%) | |
| 1 | 6,113 | 60.3 | 2,529 | 41.4 | 5,909 | 1,875 | 31.7 | 1,852 | 98.8 | 23 | 1.2 | 0 | 0 |
| 2 | 3,455 | 34.1 | 1,731 | 50.1 | 3,266 | 1,262 | 38.6 | 943 | 74.8 | 311 | 24.6 | 8 | 0.6 |
| ≥3 | 577 | 5.7 | 331 | 57.4 | 553 | 253 | 45.8 | 160 | 63.2 | 85 | 33.6 | 8 | 3.2 |
| Total | 10,145 | 100 | 4,591 | 45.2 | 9,728 | 3,390 | 34.8 | 2,955 | 87.2 | 419 | 12.4 | 16 | 0.4 |
* Excluding cases of pregnancies with loss of follow-up (LFU).