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. 2023 Feb 13;13:2495. doi: 10.1038/s41598-023-27707-z

Table 2.

Membership functions of the features of deceleration14.

Feature Description Membership function (mf)
Duration (T) Duration of time FHR is below the baseline Trapezoidal
Depth (N) Distance of the nadir from the baseline Trapezoidal