Ovulation Calculator
Track your fertility window with precision
Your Fertility Results
Based on your 28-day cycle, with your last period starting on :
Estimated Ovulation Date:
Fertile Window:
Next Period Expected:
Your Menstrual Cycle Visualization
Period
Follicular Phase
O
Luteal Phase
Menstruation
Follicular Phase
Ovulation
Luteal Phase
Important: This calculator provides estimates based on a regular menstrual cycle. Actual ovulation may vary based on individual factors. For family planning or medical concerns, please consult with a healthcare professional.