Clinical Study

Nifedipine-Induced Changes in the Electrohysterogram of Preterm Contractions: Feasibility in Clinical Practice

Figure 3

Example of preprocessed EHG signal (upper plot) before (left) and after (right) nifedipine treatment. The corresponding power spectral densities before (left) and after (right) nifedipine treatment are depicted in the bottom part of the figure with an indication of the peak frequency .
325635.fig.003a
(a)
325635.fig.003b
(b)
325635.fig.003c
(c)
325635.fig.003d
(d)