Clair Health Raises $11.6M to Build 10-Sensor Noninvasive Hormone-Tracking Wearable

Executive Briefing

• Secures $11.6M led by Khosla Ventures, with backers including Anne Wojcicki and a16z speedrun accelerator.
• Deploys 10 biosensors, including a novel biomagnetic sensor, to continuously monitor hormonal changes across menstrual cycle phases.
• Uses AI-powered voice onboarding to classify cycle phase and capture symptoms beyond what traditional health apps support.
• Targets conditions including endometriosis, PMDD, and perimenopause using data partnerships covering millions of health records.
• Plans November device launch at $369 plus $9.99/month subscription, with preorders open now.