Table 3.

Comparison with similar devices.

	Bloomlife [23]	Monica [24]	PregCare
Channel number	2	3	9
Signal measured	Abdominal electrophysiological signal	Abdominal electrophysiological signal	Abdominal electrophysiological signal and strain signal
Data storage	Wirelessly transmitted to a mobile phone	Stored in the internal micro-SD card or wirelessly transmitted to a computer	Wirelessly transmitted to a computer
Application purpose	Frequency, duration, and patterns of UC	Fetal/maternal heart rate and UC	UC monitoring and preterm labor prediction