Phira's earring-back wearable tracks estrogen, LH, and progesterone without blood draws; launch set for 2027
nwilliams030 · x · 2026-09-03
Phira Health unveiled an 'invisible wearable' built into an earring back that continuously monitors hormone dynamics—estrogen, LH, and progesterone—via biosignals behind the ear, no blood draws, urine tests, or wrist tracker needed. It works with most earrings, is waterproof and sleep-friendly with multi-week battery, delivers personalized morning insights, and a pilot study found biomarkers consistent with the three hormones. Commercial launch is planned for 2027.
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