Table 3.
Characteristics of the seven study participants who delivered preterm
| 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) |
|---|---|---|---|---|---|---|---|
| 2 | 1 | 0000 | No | 35 | 36 | 2.63 | 0.55 |
| 4 | 2 | 0010 | No | 32 | 34 | 3.06 | 1.62 |
| 17 | 2 | 0101 | Yes | 12 | 36 | 4.89 | 1.23 |
| 19 | 4 | 1021 | No | 24 | 27 | 2.97 | 0.316 |
| 32 | 2 | 1001 | No | 26 | 28 | 3.10 | 1.49 |
| 33 | 1 | 0000 | No | 13 | 36 | 5.10 | 1.21 |
| 30 | 3 | 2002 | No | 23 | 34 | 1.24 | 1.06 |
FPAL, full-term, preterm, abortion, living; GA, gestational age.