Mean LUS-thickness (mm) | p | |||
---|---|---|---|---|
Parity | 0.320 | |||
- Nulliparous | 2.7 ± 1.3 | |||
- one previous delivery | 2.2 ± 1.1 | |||
- two previous deliveries | 2.0 ± 0.9 | |||
- > two previous deliveries | 2.3 ± 1.0 | |||
Previous cesarean section | < 0.001 | |||
- yes | 1.9 ± 0.7 | |||
- no | 2.7 ± 1.3 | |||
Number of previous cesarean section | 0.763 | |||
- one | 1.9 ± 0.7 | |||
- two | 2.1 ± 1.0 | |||
- >two | 1.8 ± 0.6 | |||
All patients | Prior CS | No CS | P (prior/no CS) | |
Gestational age at MRI-examination | ||||
- < 24 + 0 | 3.1 ± 1.7 | 2.3 ± 1.0 | 4.1 ± 1.9 | 0.041 |
- 24 + 0–27 + 6 | 3.2 ± 1.9 | 2.0 ± 0.8 | 3.8 ± 2.1 | 0.018 |
- 28 + 0–31 + 6 | 2.5 ± 0.8 | 1.9 ± 0.6 | 2.8 ± 0.7 | 0.002 |
- 32 + 0–35 + 6 | 2.2 ± 0.8** | 1.7 ± 0.6 | 2.5 ± 0.7 | 0.001 |
- 36 + 0–42 + 0 | 2.1 ± 0.8*,** | 1.8 ± 0.8 | 2.2 ± 0.7 | 0.089 |
Estimated fetal weight (g) at examination | ||||
- <1000 g | 3.0 ± 1.4*** | 2.0 ± 0.8 | 3.6 ± 1.3 | 0.001 |
- 1000 < 2000 g | 2.8 ± 1.8*** | 1.7 ± 0.5 | 3.3 ± 2.0 | 0.023 |
- 2000 < 3000 g | 1.9 ± 0.8 | 1.6 ± 0.5 | 2.3 ± 0.8 | <0.001 |
- ≥3000 g | 2.2 ± 0.9 | 2.0 ± 1.0 | 2.4 ± 0.7 | 0.309 |
Fetal position | ||||
- Head presentation | 2.4 ± 1.4 | 1.8 ± 0.7 | 3.0 ± 1.6 | <0.001 |
- Breech presentation | 2.5 ± 0.9 | 2.2 ± 0.8 | 2.5 ± 0.8 | 0.240 |
- Transvers/oblique presentation | 2.1 ± 1.1 | 1.3 | 2.9 | |
Amounts of amniotic fluid between fetus and LUS | ||||
- none-little amounts | 2.3 ± 0.8 | 1.8 ± 0.6 | 2.5 ± 0.9 | <0.001 |
- larger amounts | 2.7 ± 1.6 | 1.9 ± 0.9 | 3.3 ± 1.7 | <0.001 |
Filling level of the urinary bladder | ||||
- sufficient | 2.4 ± 1.2 | 1.9 ± 0.6 | 2.8 ± 1.4 | <0.001 |
- insufficient | 2.5 ± 1.2 | 1.9 ± 1.0 | 2.6 ± 1.0 | 0.003 |