Table 2 Adjusted Risk of miscarriage Before 20 Weeks of Gestation
Risk factors | Rate of Pregnancy Loss at Less Than 20 wk | Unadjusted OR (95% CI) | Adjusted ORa (95% CI) |
|---|---|---|---|
Subchorionic hematoma | 6.25 (4.14–9.43) | 14.27 (8.25–24.70) | |
Yes | 30.14 | ||
No | 6.46 | ||
Previous term delivery | 0.88 (0.57–1.35) | 0.83 (0.45–1.51) | |
YES | 10.37 | ||
NO | 11.63 | ||
Previous miscarriage | 1.06 (0.71–1.59) | 0.62 (0.36–1.09) | |
YES | 11.54 | ||
NO | 10.98 | ||
Conceived methods | 0.59 (0.38–0.92) | 0.52 (0.26–1.04) | |
Natural conception | 13.22 | ||
Assisted conception | 8.24 | ||
Accompanied bleeding | 2.12 (1.35–3.31) | 1.06 (0.60–1.85) | |
YES | 13.29 | ||
NO | 6.76 |