Table 4 Comparison of factors between pregnancy loss and live birth groups in patients with SCH (n = 557).
Characteristics | Miscarriage < 20 weeks of gestation N = 55 | Live birth N = 502 | P-value | ||
---|---|---|---|---|---|
Age, y | 28.6 ± 4.57 | 29.5 ± 4.14 | 0.154 | ||
Basal BMI | 21.6 ± 3.09 | 21.6 ± 3.35 | 0.918 | ||
Vaginal bleeding | 30(54.5%) | 183(36.5%) | 0.009 | ||
Gestational age (week) at diagnosis (median, IQR) | 7.0(5.0–7.6) | 7.4(6.7–8.2) | 0.002 | ||
Gestational age (week) at SCH peak (median, IQR) | 7.0(7.0–8.0) | 8.0(7.3–9.0) | < 0.001 | ||
Size of SCH | 0.815 | ||||
small SCH | 16(29.1%) | 127(25.3%) | |||
medium SCH | 29(52.7%) | 284(56.6%) | |||
large SCH | 10(18.2%) | 91(18.1%) | |||
Use of dydrogesterone, n | 31(56.4%) | 390(77.7%) | < 0.001 |