| Vaccinated (n = 20) | Unvaccinated (n = 25) | P-value |
---|---|---|---|
Female age (years) | 36.1 ± 4.7 | 35.9 ± 4.6 | 0.721 |
Female BMI (kg/m2) | 21.7 ± 1.9 | 22.3 ± 2.6 | 0.268 |
Infertility duration (years) | 2.1 ± 1.7 | 3.5 ± 3.2 | 0.177 |
Infertility type, n (%) | Â | Â | 0.617 |
 Primary | 1 (5.0) | 3 (12.0) |  |
 Secondary | 19 (95.0) | 22 (88.0) |  |
Infertility diseases | |||
 Tubal factor, n (%) | 7 (35.0) | 7 (28.0) | 0.614 |
 Male factor, n (%) | 4 (20.0) | 2 (8.0) | 0.383 |
 Ovulatory dysfunction, n (%) | 1 (5.0) | 0 (0) | 0.444 |
 Diminished ovarian reserve, n (%) | 3 (15.0) | 4 (16.0) | 1.000 |
 Endometriosis, n (%) | 0 (0) | 1 (4.0) | 1.000 |
 Uterine factor, n (%) | 1 (5.0) | 2 (8.0) | 1.000 |
AMH (ng/mL) | 3.5 ± 2.1 | 3.4 ± 2.4 | 0.679 |
Antral follicle count | 13.5 ± 5.8 | 12.8 ± 4.5 | 0.819 |
Endometrial thickness (mm) | 9.9 ± 2.4 | 9.0 ± 1.4 | 0.249 |
Male vaccination status, n (%) | Â | Â | 0.083 |
 Unvaccinated | 7 (35.0) | 16 (64.0) |  |
 Partially vaccinated | 1 (5.0) | 2 (8.0) |  |
 Fully vaccinated | 12 (60.0) | 7 (28.0) |  |
Embryo developmental stage, n (%) | Â | Â | 0.945 |
 Day 5 | 13 (65.0) | 16 (64.0) |  |
 Day 6 | 7 (35.0) | 9 (36.0) |  |
Expansion grade, n (%) | Â | Â | 0.958 |
 4 | 17 (85.0) | 22 (88.0) |  |
 5 | 2 (10.0) | 2 (8.0) |  |
 6 | 1 (5.0) | 1 (4.0) |  |
Inner cell mass grade, n (%) | Â | Â | 0.617 |
 A | 0 (0) | 1 (4.0) |  |
 B | 19 (95.0) | 21 (84.0) |  |
 C | 1 (5.0) | 3 (12.0) |  |
Trophectoderm grade, n (%) | Â | Â | 0.633 |
 A | 0 (0) | 1 (4.0) |  |
 B | 12 (60.0) | 17 (68.0) |  |
 C | 8 (40.0) | 7 (28.0) |  |
Biochemical pregnancy, n (%) | 16 (80.0) | 19 (76.0) | 0.748 |
Biochemical pregnancy loss, n/N (%) | 1 (6.3) | 4 (21.1) | 0.213 |
Clinical pregnancy, n (%) | 15 (75.0) | 15 (60.0) | 0.289 |