Work

Wearable ultrasound patches reshape the monitoring paradigm for high-risk pregnancy

Year: 2026

Type: article

Abstract: Continuous, autonomous surveillance of fetal hemodynamics could transform high-risk pregnancy management from intermittent, operator-dependent assessment toward real-time risk detection. Conventional cardiotocography and spectral Doppler ultrasound provide only point-in-time information and depend on skilled operators. A recent study in Nature Biotechnology reports a wearable ultrasound patch (UPatch), the first wearable ultrasound patch that autonomously and continuously acquires fetal umbilical-artery Doppler spectra and anatomical images from the maternal abdomen without operator intervention. Through integrated acoustic, focusing, and electromagnetic-shielding innovations and an image-segmentation tracking algorithm, UPatch reframes fetal hemodynamic assessment as a continuously trackable risk signal. We discuss its technical advances, clinical validation, current limitations, and translational prospects.

Source: Biomedical Technology

DOI: 10.1016/j.bmt.2026.100189

Authors: Yiru Xu, Shifeng Ling, Xinliang Chen

Institutions: Shanghai Jiao Tong University, International Peace Maternity & Child Health Hospital

Language: English

Topic: Non-Invasive Vital Sign Monitoring

Subfield: Biomedical Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Good health and well-being

Open Access status: diamond

Funder: National Natural Science Foundation of China