Period Tracker Tool

Track your menstrual cycle, predict your next period, and monitor patterns for better reproductive health.

Period Tracker Tool

Privacy Note: All your data is stored locally in your browser for complete privacy. No personal information is sent to our servers.
Period Started

Mark the start of your period


Or choose a different date:

Period Ended

Mark the end of your period


Or choose a different date:

Leave blank if still ongoing
5/10
days
Usually 21-40 days (average 28)
days

Understanding Your Menstrual Cycle

Normal Cycle Facts:
  • Cycle length: 21-40 days (average 28)
  • Period duration: 3-7 days (average 5)
  • Blood loss: 30-40ml total (about 2-3 tablespoons)
  • Variation: ±7 days month-to-month is normal
  • Peak fertility: 12-16 days before next period
Cycle Phases:
Days 1-5 Menstrual: Period bleeding occurs
Days 6-13 Follicular: Estrogen rises, egg matures
Day 14 Ovulation: Egg is released
Days 15-28 Luteal: Progesterone rises
When to See a Doctor:
  • Periods lasting longer than 7 days
  • Cycles shorter than 21 or longer than 40 days
  • Severe pain affecting daily activities
  • Very heavy bleeding (changing protection hourly)
  • Bleeding between periods
  • Sudden changes in cycle pattern
  • Missing 3 or more periods
Benefits of Tracking:
  • Predict period start dates accurately
  • Identify irregular patterns early
  • Plan activities and travel better
  • Monitor reproductive health changes
  • Understand PMS patterns
  • Fertility awareness and planning
Medical Disclaimer: This tool is for educational and tracking purposes only. It should not replace professional medical advice, diagnosis, or treatment. Always consult with qualified healthcare providers regarding your menstrual health and any concerns.
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Health Tips

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Common Symptoms
  • • Cramps and pelvic pain
  • • Breast tenderness
  • • Bloating and water retention
  • • Headaches and migraines
  • • Back and muscle aches
  • • Fatigue and low energy
  • • Changes in appetite
  • • Mood swings
  • • Irritability and anger
  • • Anxiety and worry
  • • Depression or sadness
  • • Crying spells
  • • Difficulty concentrating
  • • Social withdrawal