| Supplementary Table 2. Clinical pregnancy rate (CPR), delivery rate and gestational order according to the number of embryos transferred in autologous frozen embryo transfer (FET) in 2019. | ||||||||||||
| Number of embryos transferred | Embryo transfers |
Clinical pregnancies | Deliveries | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number | % | Number | CPR (%) |
Number of deliveries |
Delivery rate per embryo transfer (%) | Singleton (n) | Singleton (%) | Twin (n) |
Twin (%) |
≥Triplets (n) | ≥Triplets (%) | |
| 1 | 13,808 | 50.6 | 5250 | 38.0 | 3882 | 28.1 | 3819 | 98.4 | 62 | 1.6 | 1 | 0.02 |
| 2 | 12,192 | 44.7 | 5333 | 43.7 | 3947 | 32.4 | 2998 | 76.0 | 931 | 23.6 | 18 | 0.5 |
| ≥3 | 1304 | 4.7 | 517 | 39.6 | 367 | 28.1 | 273 | 74.4 | 89 | 24.2 | 5 | 1.4 |
| Total | 27,304 | 100 | 11,100 | 40.7 | 8196 | 30.0 | 7090 | 86.5 | 1082 | 13.2 | 24 | 0.3 |