Table 4.
Comparison of outcomes between fresh and frozen embryo transfers
| Variables | Fresh | FET | |||||||
| Hatching | Control | P-value | OR 95% CI | Hatching | Control | P-value | OR 95% CI | ||
| Chemical pregnancy | 3 (7.9) | 3 (11.1) | 0.686 | O.686 (0.127–3.688) | 16 (40.0) | 11 (20.4) | 0.064 | 2.606 (1.043–6.512) | |
| Clinical pregnancy | 3 (7.9) | 3 (11.1) | 0.686 | O.686 (0.127–3.688) | 15 (37.5) | 9 (16.7) | 0.031 | 3.00 (1.148–7.837) | |
| Ongoing pregnancy | 3 (7.9) | 3 (11.1) | 0.686 | O.686 (0.127–3.688) | 10 (25.0) | 6 (11.1) | 0.098 | 2.667 (0.879–8.093) | |
| Miscarriage | 0 | 0 | – | – | 5 (33.3) | 3 (33.3) | 1.00 | 1.00 (0.173–5.772) | |
| Multiple pregnancy | |||||||||
| Singleton | 3 (100) | 3 (100) | – | – | 14 (93.3) | 6 (100) | |||
| Twin | 0 | 0 | – | – | 1 (6.7) | 0 | 1.00 | – | |
| Data presented as n (%), Chi-square test. FET: Frozen embryo transfer, OR: Odds ratio, CI: Confidence interval | |||||||||