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Figure 1 | BMC Pregnancy and Childbirth

Figure 1

From: Preterm labour detection by use of a biophysical marker: the uterine electrical activity

Figure 1

Characteristics of the Uterine EMG. Uterine EMG (internal electrodes) recorded on a pregnant cynomolgus monkey during pregnancy (upper trace), related Intra Uterine Pressure (middle trace) and Relative Energy Spectrum (RES) (lower trace). FWL and FWH, fast wave low and fast wave high, are the main components of the relative energy spectrum (RES), respectively. AU, arbitrary units.

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