Cardiotocography (CTG) is widely used during labour wards in industrialised countries and consists of fetal heart rate and uterine contraction monitoring. The main aim is to identify fetuses that are being poorly oxygenated during labour and require medical intervention to revert the situation or expedite delivery. The need for technical development of CTG is well-recognized, as some of the existing techniques are prone to signal loss and contamination from the maternal heart rate, while others are invasive and have established contra-indications. They also limit maternal mobilisation, contributing to maternal dissatisfaction, and possibly to adverse maternal and neonatal outcomes. New techniques for CTG acquisition will shortly be made available by a leading technological company, providing non-invasive monitoring and allowing full maternal mobilisation, and with the potential to change the way labour is conducted in high-resource countries. There is a need for a systematic evaluation of their clinical performance and benefit.
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Signal quality
Timeframe: The analysis will be made at the end of the recruiting phase (that will have 3 months of duration)