Ovulation
Calculator
Figure out your most fertile days
Knowing when you ovulate helps you better understand your fertile window (and when you have a high chance of getting pregnant).
Medically reviewed by Dr. Shruthi Shridhar
Select the first day of your last period
Average cycle length (days)
Disclaimer
Remember that ovulation predictors and calculators can help you learn more about your cycle and fertile window, but they are for informational purposes only. They cannot and should not be used to prevent pregnancy or as a conception aid. Menstrual cycles are different from person to person and can vary from month to month. Results are estimates only, and actual ovulation will vary.
Ovulation tips curated for you
Ovulation signs vary from person to person and cycle to cycle. Some common symptoms include:
- Mild lower abdominal pain (mittelschmerz) — seen in 40% of women
- Clear, stretchy cervical mucus (egg white-like) — seen in only 15% of women
- Soft and high cervix
- A 0.5–1°F rise in basal body temperature
- Increased libido
- Breast tenderness
- Mood shifts or heightened senses
- Light spotting (ovulation bleeding) — seen in 5% of women
These are subjective and may last anywhere from a few hours to a few days. Tracking them consistently can help you understand your pattern better.