163 Table 6.4. Direction of contractions according to menstrual cycle phase Menstrual (n=4, Mean, SD) Mid Follicular (n=11, Mean, SD) Late Follicular (n=26, Mean, SD) Early Luteal (n=14, Mean, SD) Late Luteal (n=15, Mean, SD) p-value* Direction Anterior wall† 0.085 (0.288) -0.100 (0.379) -0.032 (0.396) -0.054 (0.297) 0.084 (0.153) 0.669 Direction Posterior wall† 0.013 (0.279) -0.270 (0.252) -0.207 (0.180) -0.206 (0.179) -0.061 (0.242) 0.300 Predominant Direction F2C C2F C2F C2F None n/a * one-way ANOVA †A value under 0.0 reflects movements predominantly in the cervix-to-fundus direction, whereas a value higher than 0.0 reflects movement predominantly in the fundus-to-cervix direction. Values between -0.1 and 0.1 reflect no predominant direction, or standing/opposing contractions. Table 6.5. Contraction velocity according to menstrual cycle phase Menstrual (n= 4) Mid Follicular (n=11) Late Follicular (n= 26) Early Luteal (n=14) Late Luteal (n=15) pvalue* Fundus-to-Cervix Propagation Anterior (mm/sec, Median (IQR)) 0.67 (0.10) 0.77 (0.26) 0.81 (0.31)a 0.71 (0.17) 0.62 (0.08) <0.001 Fundus-to-Cervix Propagation Posterior (mm/sec, Median (IQR)) 0.69 (0.09) 0.73 (0.23) 0.85 (0.21) 0.73 (0.12) 0.67 (0.16) 0.021 Cervix- to Fundus Propagation Anterior (mm/sec, Median (IQR)) 0.68 (0.06) 0.80 (0.30) 0.82 (0.29)a 0.71 (0.14) 0.65 (0.13) 0.004 Cervix- to Fundus propagation Posterior (mm/sec, Median (IQR)) 0.65 (0.11) 0.78 (0.31) 0.86 (0.33)a 0.74 (0.11) 0.66 (0.15) 0.026 a: significant difference vs. LL; *Kruskal-Wallis
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