# Fertility-Tracking Wearables The Natural Cycles NC° Band Tracks Temperature to Pinpoint Ovulation By Michael Hemsworth | Published 2026-01-16 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/natural-cycles-nc-band References: [theverge](https://www.theverge.com/news/863046/natural-cycles-wristband-digital-birth-control) & [naturalcycles](https://www.naturalcycles.com/)  The [Natural Cycles](https://www.trendhunter.com/trends/nc-sleep-insights) NC° Band is a new wearable from the [fertility tracking](https://www.trendhunter.com/trends/femometer-fertility-tracker) company engineered to help subscribers tracker their fertility cycles in an overnight manner. The wearable is offered free to new users of the company's annual subscription service or for $129.99 to current subscribers, and works by being [worn overnight to track temperature trends](https://www.trendhunter.com/trends/garmin-index-sleep-monitor) while the person sleeps. The noninvasive wearable relays data to the app where users can check their fertility status in the morning. The device and the service will then algorithmically determine the time period that ovulation will occur. The Natural Cycles NC° Band is intended to support the brand's reported 93% effectiveness when it comes to preventing pregnancy when used over the course of one year or more. ## Trend Insights (Trend Hunter) - Score: 4.7/10 - Popularity: 33% | Activity: 47% | Freshness: 62% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) ## Key Themes ### Why This Trend Is Growing - **Overnight Temperature-tracking Wearables:** Overnight wearables that track temperature patterns offer a seamless method for users to gain insights into physiological changes without interrupting their routines. - **Algorithmic Fertility Prediction:** Using algorithms to predict ovulation provides a data-driven approach to natural fertility management, enhancing accuracy and user confidence. - **Noninvasive Health Monitoring:** Noninvasive devices for health monitoring blur the line between medical-grade equipment and consumer electronics, making advanced healthcare tools more accessible. ### Industries Being Reshaped - **Femtech:** Femtech innovations focus on creating personalized solutions for women's health, revolutionizing how reproductive health is monitored and managed. - **Wearable Technology:** The wearable tech industry is expanding its scope by incorporating health-focused features that appeal to broader consumer needs beyond fitness tracking. - **Digital Health and Wellness:** Digital health and wellness platforms increasingly integrate smart wearables to offer comprehensive health insights, driving a shift towards proactive health management. ## Related on Trend Hunter - [Screen-Free Fitness Devices](https://www.trendhunter.com/trends/luna-band.md) - [Temperature-Regulating Menopause Wearables](https://www.trendhunter.com/trends/mycelsius-cooling-bracelet.md) - [Ear-Based Health Trackers](https://www.trendhunter.com/trends/the-lumia-2.md) - [Sweat-Based Pregnancy Wearables](https://www.trendhunter.com/trends/molesense.md) - [Bodily Health-Decoding Smart Rings](https://www.trendhunter.com/trends/luna-20.md) - [Menopausal Transition Tools](https://www.trendhunter.com/trends/nc-perimenopause.md) - [AI-Powered Reproductive Platforms](https://www.trendhunter.com/trends/oto-fertility.md) - [Smart Menstrual Cups](https://www.trendhunter.com/trends/emm.md) - [Couples Cycle Trackers](https://www.trendhunter.com/trends/berry-for-couples.md)