Table 4.
Characteristics of the five study participants with a cervical length of < 2.5 cm at the time of examination
| Patient no. | Gravidity | Parity (FPAL) |
History of preterm birth |
GA at ultrasound (weeks) |
GA at delivery (weeks) |
Cervical length (cm) |
Mean attenuation (dB/cm-MHz) |
|---|---|---|---|---|---|---|---|
| 35 | 2 | 0100 | Yes | 29 | 40 | 0.56 | 1.01 |
| 13 | 1 | 0000 | No | 38 | 38 | 0.94 | 0.65 |
| 30 | 3 | 2002 | No | 23 | 34 | 1.24 | 1.06 |
| 6 | 2 | 1010 | No | 39 | 40 | 1.62 | 1.04 |
| 41 | 2 | 0101 | Yes | 18 | 37 | 2.26 | 1.45 |
Results are ordered according to increasing cervical length. FPAL, fullterm, preterm, abortion, living; GA, gestational age.