Period Tracker

Track your menstrual cycle, predict periods, and monitor your fertility window with accuracy.

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Period Tracker

Track your menstrual cycle and predict upcoming periods

First day of your last menstrual period
Typical range: 21-35 days
How long your period lasts
Leave default if unsure

How It Works

  • Tracks your menstrual cycle based on your last period
  • Predicts next periods and fertile windows
  • Uses average cycle length for calculations
  • Provides ovulation timing estimates

Tips

  • Track your cycle for 3+ months for accuracy
  • Note any symptoms or mood changes
  • Consider using a period tracking app
  • Consult doctor for irregular cycles