The MHRA has conducted a review into the use of wireless cardiotocography (CTG) systems that use radiofrequency (RF) telemetry channels. Signal crossover, erroneous CTG traces and signal dropouts have been identified as patient safety risks associated with these devices.
UK MHRA · September 17, 2026
Radiofrequency (RF) Safety Considerations for Wireless Cardiotocography (CTG) Monitoring Systems
Original title: Radiofrequency (RF) Safety Considerations for Wireless Cardiotocography (CTG) Monitoring Systems (DSI/2026/012)
MHRA guidance on RF safety risks in wireless CTG systems, including signal crossover, erroneous traces and dropouts.
Published by UK MHRA. HealthSignal links to the original document; the summary above is extracted from the source text.