Fig. 3From: Automated electrohysterographic detection of uterine contractions for monitoring of pregnancy: feasibility and prospectsa In red: electrical activity associated with a contraction previously identified on concomitant tocography (reference contraction). b Curve of calculated H2 values and the cutoff adopted beyond which an event is validated. c Detected events: all contractions were fully or partly detected (green), but some detected events do not correspond to contractions and were considered to be false alarms (gray)Back to article page