The prototype device, dubbed BeatleIC, is capable of detecting fetal ECG as early as 20 weeks into a pregnancy. This is thanks to its ability to discern peak-to-peak signals of between 3 and 15 µV (microvolts).
It is a low-power system that is expected to be used by patients and work over extended periods of time, and as such is expected to operate for up to a week from a single coin cell battery.
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