Table 3 Adjusted risk of miscarriage before 20 weeks of gestation.

From: Association between first-trimester subchorionic hematoma and pregnancy loss before 20 weeks of gestation in singleton pregnancies

Risk factor

Rate of miscarriage < 20 weeks of gestation

Unadjusted OR (95% CI)

Adjusted OR (95% CI)*

Presence of SCH

55(61.8%)

1.77(1.13–2.76)

1.94(1.19–3.15)

Vaginal bleeding

46(51.7%)

2.64(1.70–4.09)

2.95(1.85–4.70)

  1. *Adjusted for the use of dydrogesterone.
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