Clue

Clue is a pioneer in the FemTech sector, utilizing machine learning and advanced statistical modeling to provide highly accurate cycle and ovulation predictions. As of 2026, Clue has transitioned from a simple logging tool to a comprehensive reproductive health platform that leverages deep neural networks to identify hormonal patterns and potential health irregularities. Its technical architecture is built on a foundation of data privacy, adhering to strict European GDPR standards, and incorporates anonymized data into clinical research collaborations with institutions like Oxford and Stanford. The platform’s 2026 market position is defined by its 'Science, not pink' approach, eschewing stereotypical aesthetics for data-driven clinical utility. The engine processes over 30 variables—including basal body temperature, cervical mucus, and mood fluctuations—to calibrate a personalized hormonal map for each user. With the introduction of its AI-driven 'Clue Concierge,' the system now provides proactive health alerts, identifying early signs of conditions such as PCOS or perimenopause transition, positioning itself as a critical bridge between consumer self-tracking and professional medical intervention.