Fertility Cycle Calculator
Ovulation
Period
Fertile Window
Safe Period
Weekend
Note: This calculator provides estimates only. Actual cycles may vary due to stress, health conditions, or hormonal changes. Consult a healthcare professional for medical advice.
Professional Cycle Tracking Features
Our algorithm calculates based on:
✅ Menstrual Phase (Pink)
✅ Fertile Window (Yellow)
✅ Ovulation Period (Orange)
✅ Safe Phase (Green)
Key Advantages:
- 📅 Visual calendar with cycle overlay
- 🔒 Local data processing & SSL security
- 📱 Mobile-responsive design
- ⚡ Smart cycle adaptation (21-35 days)
Common Uses:
- Natural family planning
- Pregnancy preparation
- Cycle irregularity monitoring
- Health management
⚠️ Important: Not a contraceptive device. Combine with other methods for pregnancy prevention.