| Table 4. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in Autologous FET 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 | 10,306 | 61.8 | 3908 | 37.9 | 9954 | 2829 | 28.4 | 2778 | 98.2 | 50 | 1.8 | 1 | 0.04 |
| 2 | 5937 | 35.6 | 2630 | 44.3 | 5713 | 1878 | 32.9 | 1422 | 75.7 | 450 | 24.0 | 6 | 0.3 |
| ≥3 | 431 | 2.6 | 186 | 43.2 | 418 | 137 | 32.8 | 117 | 85.4 | 18 | 13.1 | 2 | 1.5 |
| Total | 16,674 | 100 | 6724 | 40.3 | 16,085 | 4844 | 30.1 | 4317 | 89.1 | 518 | 10.7 | 9 | 0.2 |
* Excludes vitrified-warmed oocyte, PGT and Freeze all cycles
** Excluding cases of pregnancies with loss of follow-up (LFU).