Table 1 Characteristics of the study groups
Parameter | Preterm labor (PTL) | Term labor (TL) | Preterm not in labor (PTnotL) | Term not in labor (TnotL) | Non-pregnant (NP) |
|---|---|---|---|---|---|
Number of subjects | 14 | 18 | 7 | 21 | 7 |
Age (median, range) | 27.5 (18–37) | 28.5 (20–37) | 32 (27–35) | 32 (25–42) | 45 (37–49) |
Parity (median, range) | 1 (0–3) | 1 (0–2) | 1 (0–2) | 1 (0–3) | 1 (0–3) |
Previous preterm births in the group | 1 | 0 | 1 | 2 | – |
Previous C/S (median, range) | 0 (0–1) | 0 (0–1) | 0 (0–0) | 0 (0–2) | – |
Gestational age in days (median, range) | 237.5 (184–255) | 278 (259–292) | 193 (183–256) | 270 (259–278) | – |
Treatment with corticosteroids | 4 | 0 | 4 | 0 | – |