Clair Health
United States, San Francisco, California
About Clair Health
Clair Health develops a noninvasive, continuous hormone-monitoring wearable built specifically for female biology, tracking estrogen, progesterone, LH and FSH in real time without blood draws or needles. The wristband uses an array of biosensors and AI models trained on female physiology to decode menstrual-cycle phases, with applications spanning fertility, athletic performance and perimenopause. Founded in 2025 by Stanford graduates Jenny Duan and Abhinav Agarwal, the San Francisco company is validating its technology through an independent clinical trial at Stanford.
Latest Funding
SeedAnnounced 2026-06-17
Buying Signals
Where the capital is going, and whether it's already started moving.
Spend Intent
3 signals · where the capital is going
Funds the launch of the first noninvasive continuous hormone-monitoring wearable, targeted for November 2026 after a February 2026 app beta.
fortune.com
+2 more capital deployment signals · confidence ratings · source articles
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Investors
AGI House
Lead investor · Seed
Tech Stack
HTTP/3
Facebook Pixel
Firebase
Key Highlights
AI InsightsSeed round led by Khosla Ventures with participation from a16z Speedrun and 23andMe co-founder Anne Wojcicki, among other backers.
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