| Age (average) | 20.4 + 1.2 (18-43) |
| One miscarriage in the 2nd trimester of pregnancy | 22 (20.3%) |
| Two miscarriages in the 2nd trimester of pregnancy | 10 (9.25%) |
| Three miscarriages in the 2nd trimester of pregnancy | 2 (1.85%) |
| Nulliparous | 34 (31.4%) |
| Preterm birth | 46 (42.6%) |
| Cervical surgery | 8 (7.3%) |
| Average cervix (cm) | 2.0 (1.6-2.5) |