Menstrual Cycle Calendar
Keep perfect track of your cycle. Find out your next period date and fertile window.
How to use the menstrual calendar
Simple steps for the most accurate calculation of your cycle.
Frequently asked questions
Is this calculation 100% accurate?
No. It is a mathematical model assuming a regular cycle. Every body acts differently.
What if I have an irregular cycle?
This calculator works best with regular cycles. For significant irregularities, consult your doctor.
Why should I know my ovulation date?
The ovulation date helps pinpoint the days with the highest chance of pregnancy, known as the fertile window.
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Why keep a menstrual calendar?
Tracking your menstrual cycle is about more than just knowing when your period will arrive. It provides a comprehensive overview of your hormonal health, mood swings, and energy levels throughout the month. Logging your cycle regularly helps your gynecologist during examinations and gives you control over your own body. Gain peace of mind by predicting your next period and a clearer map of your fertile days if you are trying to conceive.