Table 3.
ART Outcomes in the United States, 200619
| Age (y) | |||||
| Variable | < 35 | 35–37 | 38–40 | 41–42 | 43–44 |
| Number of cycles* | 37,178 | 21,339 | 18,177 | 8632 | 4907 |
| Cancellation rate (%) | 7.6 | 11.5 | 14.7 | 18.1 | 20.5 |
| Average embryos transferred | 2.3 | 2.5 | 2.9 | 3.2 | 3.3 |
| Pregnancy rate (%) | 44.7 | 37.2 | 27.6 | 17.7 | 9.2 |
| Live-birth rate (%) | 38.8 | 30.6 | 20.6 | 10.9 | 4.3 |
| Twin rate (%) | 32.3 | 27.7 | 21.4 | 15.5 | 8.5 |
| Number of transfers† | 9114 | 4814 | 2729 | 876 | 568 |
| Average embryos transferred | 2.3 | 2.3 | 2.4 | 2.6 | 2.5 |
| Live-birth rate (%) | 33.1 | 28.1 | 22.9 | 20.7 | 12 |
ART, assisted reproductive technology.
Number of initiated cycles: 126,726.
*
Fresh embryos (non-donor).
†
Thawed embryos (non-donor).
Data from Society for Assisted Reproductive Technology.19