Feasibility of an anterior abdominal electrode array for non-invasive measurement of uterine contractions across the menstrual cycle

An anterior abdominal electrode array (6.35 × 14 cm) enables non-invasive electrohysterography to measure uterine contraction frequency, amplitude, and direction across the menstrual cycle.

• Why it matters: Uterine contraction abnormalities across the cycle are linked to uterine disorders, but existing monitoring is invasive or bulky and lacks longitudinal, non-anatomy-dependent options.
• What they did: The team combined simulation and experiments to test EHG with only anterior-abdomen electrodes and no patient-specific anatomical scans, identifying a simulation signal-to-noise ratio for resolving UC features.
• The result: In experiments, recordings met the simulation coherence criterion and showed menstrual-cycle patterns consistent with prior literature, supporting wearable EHG feasibility.

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