Ovulation Calculator
Discover your most fertile days and plan accurately.
Ovulation Calculator
Private Period & Cycle Tracker
Cycle, Ovulation & Fertility
How to calculate your ovulation
Enter your menstrual cycle details to estimate your most fertile days using your cycle length and luteal phase.
Cycle length
A typical menstrual cycle lasts between 21 and 35 days. This is key to finding your fertility window.
Last period
Enter the first day of your last menstrual period.
Prediction
The calendar will estimate your ovulation day and peak fertility days.
Common Questions
How do pms or pcos symptoms affect ovulation?
PCOS (Polycystic Ovary Syndrome) can cause irregular cycles, making it hard to predict ovulation without using lh tests or bbt tracking.
What is lh?
Luteinizing hormone (lh) peaks 24-36 hours before ovulation. You can detect it with an at-home test.
Is keeping a menstrual diary useful?
Yes, logging your symptoms, bbt, and period dates helps you track your fertility and detect early pregnancy.
Steps For
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