Prospective advances in fetal biomagnetometry – challenges remain

We were very enthused to find in the latest issue of Clinical Neurophysiology this simulation study (Lew et al., 2017) introducing a novel fetal biomagnetometer concept with a sensor array distributed all around the pregnant woman's torso. We applaud the authors' initiative to challenge the fetal biomagnetometry field by putting forward such an economical compact device for in-utero measurements of the fetal electrophysiology as well as maternal uterine activity. The claim is that this modern design will ensure full coverage of the fetal head and body for any position of the fetus and at any stage of the pregnancy without the need of an expensive magnetically shielded room and using advanced miniature optically-pumped magnetometers that do not require cryogenics.

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