How AI describes Natural Cycles

Natural Cycles NC° is an FDA-cleared, hormone-free birth control app that predicts fertility by analyzing your body temperature data to tell you when you can or should use protection. It supports a lifelong wellness journey—from birth control to planning pregnancy, postpartum recovery, and managing perimenopause—through science-backed insights, wearable temperature tracking, and personalized guidance. The service is subscription-based, marketed as clinically proven to achieve 98% typical-use effectiveness, with privacy protections and a global user base of millions, backed by research.