Table 2.
Characteristics of cycles. Cycles were divided by age group, cycle status, cycle number, insemination type, stimulation type, infertility cause, ET day and number of embryos transferred. The number of cycles in each group was noted
| Grouping | Cycles | % | |
|---|---|---|---|
| Age Group (yo) | ≤35 | 4835 | 31.1 |
| 35–38 | 3312 | 21.3 | |
| 38–41 | 3745 | 24.1 | |
| 41–43 | 2197 | 14.1 | |
| >43 | 1482 | 9.5 | |
| Cycle Status | Completed | 13,453 | 86.4 |
| Cancelled | 2120 | 13.6 | |
| Cycle Number | 1 | 9132 | 58.6 |
| 2 | 3952 | 25.4 | |
| 3 | 1550 | 10.0 | |
| 4 | 547 | 3.5 | |
| 5+ | 392 | 2.5 | |
| Insemination Type | Conventional | 5448 | 40.5 |
| ICSI | 7698 | 57.2 | |
| Both | 307 | 2.3 | |
| Stimulation Type | Antagonist | 8023 | 51.5 |
| Down Regulation | 5005 | 32.1 | |
| Microflare | 2545 | 16.3 | |
| Infertility Cause | Male | 3090 | 19.8 |
| DOR | 2838 | 18.2 | |
| Idiopathic | 2834 | 18.2 | |
| Tubal | 1887 | 12.1 | |
| Endometriosis | 1004 | 6.4 | |
| PCO | 746 | 4.8 | |
| Ovulatory | 718 | 4.6 | |
| Other | 649 | 4.2 | |
| Not Specified | 573 | 3.7 | |
| Genetic | 390 | 2.5 | |
| Uterine | 314 | 2.0 | |
| RPL | 283 | 1.8 | |
| Endocrine | 133 | 0.9 | |
| Single Woman | 114 | 0.7 | |
| Embryo Transfer Day | 2 | 15 | 0.1 |
| 3 | 7398 | 61.2 | |
| 4 | 7 | 0.1 | |
| 5 | 4407 | 36.5 | |
| 6 | 261 | 2.2 | |
| Embryos Transferred | 1 | 1542 | 12.8 |
| 2 | 4816 | 39.9 | |
| 3 | 3235 | 26.8 | |
| 4 | 1590 | 13.2 | |
| 5+ | 900 | 7.4 |
DOR: diminished ovarian reserve
PCO: polycystic ovaries
RPL: recurrent pregnancy loss