ルナルナ ベビー is a free menstrual cycle management app that has been beloved by users for over 20 years and has surpassed 19 million downloads. This app provides essential information that women care about, such as the next expected period, ovulation day, optimal times for pregnancy, difficult times for conception, and recommended periods for dieting. It also offers features for managing low-dose birth control pills and integrates with medical institutions for data utilization.

With its proprietary algorithm developed based on over 15 years of data, ルナルナ provides accurate predictions for ovulation and fertility based on your menstrual cycle. It also offers a mode specifically designed for users taking low-dose birth control pills, helping them track their daily medication intake with easy-to-use features and reminders.

The app's features are not limited to personal use. Medical institutions that have implemented the ルナルナ メディコ system can access the data recorded in the app during consultations at gynecology and obstetrics clinics.

In summary, ルナルナ ベビー is a user-friendly menstrual cycle management app that provides accurate predictions for periods, ovulation, and fertility. It offers additional features for low-dose birth control pill management and integrates with medical institutions for enhanced data utilization.