| Mean Age (years) | 34.6 (+ 4.3) | 34.7 (+ 3.9) | 0.7 |
| Mean BMI (kg/m2) | 25.3 (+ 5.3) | 25.0 (+ 5.3) | 0.13 |
| Infertility Diagnosis (%) | Unexplained – (25%) | Unexplained – (23%) | 0.1 |
| DOR – (6%) | DOR – (8%) |
| Endometriosis – (3%) | Endometriosis – (8%) |
| Ovulation disorders – (11%) | Ovulation disorders – (10%) |
| Male factor – (21%) | Male factor – (19%) |
| Othera – (34%) | Othera – (32%) |
| PGT testing of embryo, n (%) | 167/524 (32%) | 52/379 (14%) | < 0.001 |
| Number of embryos transferred per cycle, n (%) | 1–351 (67%) | 1–194 (51%) | < 0.001 |
| 2–168 (32%) | 2–174 (46%) |
| 3–5 (1%) | 3–10 (3%) |
| Number of heartbeats, n (%) | 1–245 (76%) | 1–135 (80%) | < 0.001 |
| 2–41 (13%) | 2–33 (19%) |
| 3–4 (1%) | 3–0 (0%) |
