Table 2.
Study results
| Parameters | All cases | Natural cycle | Controlled ovarian stimulation | p |
|---|---|---|---|---|
| N. of patients | 585 | 230 | 355 | – |
| N. of cycles | 1119 | 576 | 543 | – |
| N. transfer | 1042 | 277 | 765 | – |
| Transfer/cycle | (1042/1119) 93% | (277/576) 48% | (765/543) 140% | < 0.0001 |
| Cycles without transfer | (467/1119) 41.7% | (329/576) 57% | (138/543) 25.4% | 0.00001 |
| Pregnancy/cycle | (106/1119) 9.47% | (36/576) 6.25% | (70/543) 12.89% | 0.0001 |
| Pregnancy/ transfer | (106/1042) 10% | (36/277) 13% | (70/765) 9.1% | 0.0814 |
| Implantation rate (Pregnancy/embryos) | (106/1122) 9.45% | (36/277) 13% | (70/845) 8.28% | 0.0468 |
| Pregnancy/patients transfer | (106/440) 24% | (36/191) 18.85% | (70/249) 28.11% | 0.025 |
| Pregnancy/patients | (106/585) 18.12% | (36/230) 15.65% | (70/355) 19.72% | 0.2281 |
| live birth pregnancy | (73/106) 68.87% | (22/36) 61% | (51/70) 72% | 0.2693 |
| Abortion rate | (37/106) 34.91% | (10/36) 27.78% | (27/70) 38.57% | 0.2915 |