| Table 5. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred after Autologous Freeze all cycles, 2021. | |||||||||||||
| Number of embryos transferred |
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 | 4,401 | 44.1 | 1,575 | 35.8 | 4,265 | 1,141 | 26.8 | 1,124 | 98.5 | 16 | 1.4 | 1 | 0.1 |
| 2 | 5,032 | 50.4 | 2,415 | 48.0 | 4,726 | 1,696 | 35.9 | 1,250 | 73.7 | 438 | 25.8 | 8 | 0.5 |
| ≥3 | 554 | 5.5 | 265 | 47.8 | 530 | 187 | 35.3 | 124 | 66.3 | 61 | 32.6 | 2 | 1.1 |
| Total | 9,987 | 100 | 4,255 | 42.6 | 9,521 | 3,024 | 31.8 | 2,498 | 82.6 | 515 | 17.0 | 11 | 0.4 |
¥ Excludes cases with PGT.
* Excluding cases of pregnancies with loss of follow-up (LFU).