Patient age (median, range) | 27 | 18-42 | ||
---|---|---|---|---|
Obstetrical history | No of natural deliveries (n, %) | 0 | 229 | 68.0 |
1 | 99 | 29.4 | ||
2 | 9 | 2.7 | ||
No of cesarean sections (n, %) | 0 | 289 | 85.8 | |
1 | 42 | 12.5 | ||
2 | 6 | 1.8 | ||
No of spontaneous abortions* (n, %) | 0 | 249 | 73.9 | |
1 | 78 | 23.1 | ||
2 | 10 | 3.0 | ||
Cervical length at 18-22 weeks of gestation (median, range) | 44 | 27-57 | ||
Gestational age at delivery (median, range) | 39.2 | 31.0-41.3 |