Research Article

Adverse Pregnancy Outcomes of Patients with History of First-Trimester Recurrent Spontaneous Abortion

Table 3

Comparison of placenta diseases between the two groups.

CharacteristicsStudy group
N (%)
Control group
N (%)
OR95% CI value

Placenta-derived maternal complications
Early-onset PE7 (4.27)6 (1.83)2.390.791–7.240.196
Late-onset PE17 (10.37)9 (2.74)4.11.79–9.410.002
Oligohydramnios17 (10.37)7 (2.13)5.32.15–13.06<0.001
Early-onset FGR8 (4.88)2 (0.61)8.361.75–39.830.005
Late-onset FGR3 (1.83)5 (1.52)1.20.28–5.101
Placental abruption3 (1.83)1 (0.30)6.090.639–59.040.241
Late abortion16 (9.76)3 (0.91)11.713.36–40.81<0.001
Preterm birth8 (4.88)8 (2.44)2.0510.76–5.570.15
Very preterm birth14 (8.54)23 (7.01)1.240.62–2.470.546
Placenta diseases
Placenta previa21 (12.80)30 (9.15)1.460.81–2.640.209
Placenta accreta22 (13.41)9 (2.74)5.492.47–12.23<0.001
Placenta increta and placenta percreta7 (4.27)2 (0.61)7.2681.49–35.390.012