Artificial cycle (n = 59) | Simulated cycle by letrozole +HMG (n = 57) | P-value | |
---|---|---|---|
Endometrial thickness at ET day (mm) | 9.92 ± 0.19 | 9.45 ± 0.16 | 0.065 |
Cycle cancellation rate (%) | 1 (1.6) | 3 (5.2) | 0.29 |
Implantation rate (%) | 20% | 22% | 0.67 |
Chemical pregnancy rate (%) | 25 (42.3) | 28 (49.1) | 0.46 |
Clinical pregnancy rate (%) | 22 (37.2) | 24 (42.1) | 0.59 |
Ectopic pregnancy | 1 (1.6) | 2 (3.5) | 0.53 |
Heterotopic pregnancy | 0 (0) | 1 (1.75) | 0.30 |
Miscarriage rate (%) | 2 (3.3) | 2 (3.5) | 0.97 |
Ongoing pregnancy rate (%) | 19 (32.2) | 20 (35) | 0.74 |