Table 1. Clinical characteristics of the cohort.
| Control (n=12) | Patients with unexplained recurrent pregnancy loss (n=14) | |
|---|---|---|
| Age (years) | 29.8±4.4 | 30.5±5.6 |
| Body mass index (BMI) | 23.3±5.9 | 24.5±6.0 |
| Mean number of miscarriages | 4 (range=3–7 miscarriages) | - |
| Mean time of miscarriage (week of gestation) | 5.5 | - |
| Mean of time of last miscarriage (months passed from last miscarriage) | 8.2 | - |
| TPPA | Negative | |
| HIV | Negative | |
| HBV | Negative | |
| HCV | Negative | |
| Anti-cardiolipin antibodies | Negative | |
| Lupus anticoagulant antibodies | Negative | |
| Anti-phospholipid antibodies | Negative | |
| B-hCG |
TPPA: Treponema pallidum particle agglutination assay; HIV: Human immunodeficiency virus; HBV: Hepatitis B virus; HCV: Hepatitis C virus; B-hCG: Human chronic gonadotropin