Ovulation Calculator
Track your fertility window and ovulation cycle to understand your reproductive health better.
Cycle Information
Count from the first day of one period to the first day of the next
How many days does your period typically last?
How it works
Ovulation typically occurs 14 days before your next period. Your fertile window includes the 5 days before ovulation and the day of ovulation.
Understanding Ovulation
Ovulation is when your ovary releases an egg. This typically happens around day 14 of a 28-day cycle, but can vary based on your individual cycle length.
- The egg can be fertilized for 12-24 hours
- Sperm can live in your body for up to 5 days
- Your fertile window is about 6 days long
Signs of Ovulation
- Changes in cervical mucus (clear, stretchy)
- Slight increase in basal body temperature
- Mild pelvic pain (mittelschmerz)
- Positive ovulation predictor kit result
Tracking Tips
- Track your cycle for at least 3 months
- Note any symptoms or changes
- Use multiple tracking methods
- Consider lifestyle factors
Important Note
This calculator provides estimates based on average cycle patterns. Individual cycles can vary. For conception or contraception, consult with a healthcare provider and consider multiple tracking methods.
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