Table 3.
Adjusted risk of subchorionic hematoma (SCH) in in vitro fertilization (IVF) twin pregnancies.
| Factors | Regression coefficients (b) | Significance (p) | OR | OR (95% CI) |
|---|---|---|---|---|
| Male factor | 2.674 | 0.001 | 14.494 | 3.008–69.839 |
| Hydrosalpinx | 2.282 | 0.001 | 9.797 | 2.543–37.746 |
| PCOS | 2.241 | 0.008 | 9.399 | 1.81–48.821 |
| Previous miscarriage | 1.859 | 0.011 | 6.417 | 1.538–26.778 |
| Adenomyosis | 2.53 | 0.026 | 12.56 | 1.358–116.198 |
PCOS, polycystic ovary syndrome. The final regression model included previous miscarriage rate, hydrosalpinx, fallopian tube obstruction, PCOS, adenomyosis, and male factor.