Fig. 2From: Pregnancy in the time of COVID-19: towards Fetal monitoring 4.0Examples of certified commercial fetal monitoring devices, a Monica AN24, b Novii Wireless Patch System [80], c MERIDIAN M110 Fetal Monitoring System [81], d Nemo Fetal Monitoring System [83], e Avalon Beltless Fetal Monitoring Solution [85] and f Invu System [48]Back to article page