Table 1 Demographics of out-of-phase RIF patients and clinical outcomes using pFET.
Characteristic | Out-of-phase RIF (n = 404) |
|---|---|
Age (y) | 33.0 ± 3.9 |
BMI (kg/m2) | 21.0 ± 1.9 |
Duration of infertility (year) | 5.8 ± 2.7 |
No. of previously failed cycles | 3.6 ± 0.9 |
Endometrial thickness on the day of embryo transfer (mm) | 11.9 ± 1.4 |
Distribution of out-of-phase dating | |
Delayed by 2 days | 23 |
Delayed by 1 day | 381 |
No. of patients with 1st pFET | 403 |
High-quality embryo rate of 1st pFET | 57.3% (231/403) |
Implantation rate of 1st pFET | 53.9% (304/564) |
Clinical pregnancy rate of 1st pFET | 65.3% (263/403) |
No. of patients with 2nd pFET | 76 |
No. of 2nd biopsies on the specified day | 53 |
2nd expected endometrial dating | 50 |
High-quality embryo rate of 2nd pFET | 55.3%(42/76) |
Implantation rate of 2nd pFET | 40.4% (42/104) |
Clinical pregnancy rate of 2nd pFET | 50.0% (38/76) |
No. of patients with 3rd pFET | 9 |
High-quality embryo rate of 3rd pFET | 66.7% (6/9) |
Implantation rate of 3rd pFET | 50.0% (6/12) |
Clinical pregnancy rate of 3rd pFET | 44.4% (4/9) |
Cumulative clinical pregnancy rate after pFET | 74.9% (302/403) |