News Summary

• Natural Cycles works on the principle that body temperature rises after ovulation due to an increase in progesterone.
• By monitoring small changes over time, the app’s algorithm flags “green days,” when the risk of pregnancy is low.
• In the U.S., users can also pair the app with wearables like the Oura Ring or Apple Watch for automatic temperature tracking.
• In 2024, the global contraceptive market was worth about $31 billion and is on track to hit $44 billion by 2030.