Clinical Study
Quantitative Elastography for Cervical Stiffness Assessment during Pregnancy
Table 3
Strain values and parity.
| | | N |
Para = 0 () | N | Para ≥ 1 () | P |
| | TS | 18 | 0.37 (±0.14) | 56 | 0.59 (±0.17) | <0.05 | | TS at 12–20 weeks' gestation | 8 | 0.35 (±0.09) | 11 | 0.35 (±0.05) | 0.900 | | TS at 21–29 weeks' gestation | 6 | 0.29 (±0.05) | 10 | 0.49 (±0.14) | <0.05 | | TS at 30–37 weeks' gestation | 3 | 0.58 (±0.15) | 16 | 0.66 (±0.11) | 0.455 | | TS at 38–42 weeks' gestation | 0 | NA | 19 | 0.73 (±0.09) | NA | | Cervical length (mm) | 18 | 41.47 (±9.92) | 56 | 35.37 (±9.96) | <0.05 | | Cervical length at 12–20 weeks' gestation | 8 | 43.12 (±10.51) | 11 | 44.55 (±7.26) | 0.748 | | Cervical length at 21–29 weeks' gestation | 6 | 42.67 (±5.35) | 10 | 39.8 (±5.73) | 0.334 | | Cervical length at 30–37 weeks' gestation | 3 | 34.67 (±15.63) | 16 | 32.93 (±9.19) | 0.868 | | Cervical length at 38–42 weeks' gestation | 0 | NA | 19 | 29.33 (±9.02) | NA |
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Tissue strain values related to parity and cervical length. Mean (± standard deviation).
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