Estimated velocities.

<p>Mean and standard deviation of the estimated velocities for all patients.</p

Elapsed time between time of measurement and delivery.

<p>Elapsed time between time of measurement and delivery.</p

Directional distribution divided into four quadrants.

<p>Proportion of contractions with origin in each of the four quadrants.</p

Visualization of the estimated directions of propagation.

<p>Direction of propagation is estimated for each contraction and marked with a circle.</p

EHG recording. Example of a full EHG recorded by a single electrode (a) and a burst corresponding to a contraction event (b).

<p>EHG recording. Example of a full EHG recorded by a single electrode (a) and a burst corresponding to a contraction event (b).</p