Table 4.
Pregnancy outcome by particulate matter (PM10) exposure period during the follicular phase after IVF conception
| Exposure Period | Early Pregnancy Loss | Term Pregnancy | |||||
|---|---|---|---|---|---|---|---|
| Biochemical Pregnancy | Clinical Pregnancy | ||||||
| N (%) | OR (95% CI) | P-value | N (%) | OR (95% CI) | P-value | N (%) | |
| Q1 (PM10 ≤ 30.48 µg/m3) | 1 (4.8) | – | – | 3 (14.3) | – | – | 17 (80.9) |
| Q2 (PM10: 30.49–42.00 µg/m3) | 1 (1.6) | 0.36 (.02–6.20) | 0.478 | 8 (12.7) | 0.99 (0.22–4.41) | 0.986 | 54 (85.7) |
| Q3 (PM10: 42.01–56.72 µg/m3) | 4 (6.5) | 1.70 (0.16–18.57) | 0.664 | 9 (14.5) | 1.43 (0.31–6.61) | 0.649 | 49 (79.0) |
| Q4 (PM10 > 56.72 µg/m3) | 6 (14.0) | 5.91 (0.53–65.78) | 0.149 | 13 (30.2) | 5.05 (1.04–24.51) | .045 | 24 (55.8) |
OR odds ratio
95% CI 95% confidence intervals