Table 3.
FET treatment and pregnancy outcomes in protocols utilizing the supplemented natural cycle versus the programmed cycle. Data are displayed as number of cycles with percentage in parentheses
| Treatment outcome | Supplemented natural cycles (N = 519) |
Programmed cycles (N = 106) |
p-value |
|---|---|---|---|
| 0.451 | |||
| Positive HCG (%) | 45.9 % | 43.4 % | |
| Clinical intrauterine pregnancy (%) | 35.5 % | 29.2 % | |
| Biochemical pregnancy (%) | 9.8 % | 13.2 % | |
| Ectopic pregnancy (%) | 0.39 % | 0.94 % | |
| Live birth (%) | 27.7 % | 23.6 % | 0.451 |
| Implantation rate (%) | 21.9 % | 18.1 % | |
| Miscarriage rate (%) | 19.0 % | 19.4 % | >0.991 |
| Twins (%) | 13.9 % | 19.4 % | 0.591 |
| Singletons birth weight in grams (mean ± std) | 3353.8 ± 513.3 (N = 174 infants) |
3340.6 ± 579.9 (N = 25 infants) |
0.772 |
| Twins birth weight in grams (mean ± std) | 2422.8 ± 650.8 (N = 56 infants) |
2294.0 ± 680.5 (N = 12 infants) |
0.912 |
1 Pearson’s Chi-square test
2 two sample t-test