Table 1 Characteristics of the 29 patients complicated with morbidly adherent placenta who suffered from second trimester abortion
| Â | Mean/Median or Number | Range or Percentage |
|---|---|---|
Age (years) (mean;range) | 29.89 ± 5.49 | 20–40 |
Gestation weeks at diagnosis (weeks) (mean/range) | 19.36 ± 4.56 | 13–27+ 4 |
Gravidity (median/range) | 2 | 0–4 |
Parity (median/range) | 1 | 0–2 |
Prenatal diagnosis (n) (percent) | 8 | 27.6% |
Postnatal diagnosis (n) (percent) | 21 | 72.4% |
Risk factors (n) (percent) | ||
 Older maternal age (≥ 35 years old) | 8 | 27.6% |
 Previous curettage | 22 | 75.9% |
 Previous caesarean delivery | 20 | 69.0% |
  Once | 14 | 48.3% |
  Twice | 6 | 20.7% |
 Placenta previa | 12 | 41.4% |
  Low-lying placenta | 4 | 13.8% |
  Marginal placenta previa | 4 | 13.8% |
  Total placenta previa | 7 | 24.1% |
 Myomectomy | 1 | 3.4% |
 Uterine malformation | 2 | 6.9% |
  Uterus bicornis | 1 | 3.4% |
  Uterus didelphys | 1 | 3.4% |
 Twin pregnancy | 1 | 3.4% |