Table 8 Pregnancy outcomes after 20 weeks of different graded in patients with SCH (n = 504).

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

Outcomes

Small SCH (n = 127)

Medium SCH (n = 285)

Large SCH (n = 92)

P-value

Oligohydramnios

4(3.1%)

10(3.5%)

1(1.1%)

0.489

FGR

5(3.9%)

11(3.9%)

4(4.3%)

0.978

PROM

20(15.7%)

39(13.7%)

10(10.9%)

0.584

Placenta abruption

2(1.6%)

2(0.7%)

5(5.4%)

0.012

Placental adhesion

6(4.7%)

8(2.8%)

2(2.2%)

0.492

Placenta previa

2(1.6%)

2(0.7%)

1(1.1%)

0.707

Preeclampsia

2(1.6%)

5(1.8%)

1(1.1%)

0.906

Gestational hypertension

8(6.3%)

18(6.2%)

3(3.3%)

0.525

Premature delivery < 37 weeks

9(7.1%)

18(6.3%)

8(8.7%)

0.735

Mean birth weight (kg ± SD)

3.3 ± 0.50

3.3 ± 0.45

3.2 ± 0.56

0.073