Ovulation Calculator

Track your ovulation cycle and identify your most fertile days for better family planning.

Most cycles are between 21-35 days. If irregular, consult your healthcare provider.
Typical menstrual flow lasts 3-7 days.

Understanding Your Ovulation Cycle

Follicular Phase

The first half of your cycle, from the start of your period until ovulation. Your body prepares an egg for release.

Ovulation

Usually occurs 12-14 days before your next period. This is when an egg is released and is viable for about 24 hours.

Fertile Window

The 6 days leading up to and including ovulation. Sperm can survive up to 5 days in fertile cervical mucus.

Signs of Ovulation

Look for changes in cervical mucus, slight rise in body temperature, and mild cramping or spotting.

Tips for Tracking Ovulation

Basal Body Temperature

Track your morning temperature before getting out of bed. It rises slightly (0.2-0.4°C) after ovulation.

Cervical Mucus

Monitor changes in cervical mucus. It becomes clear and stretchy, like egg whites, during your fertile window.

Ovulation Tests

Use ovulation predictor kits to detect the surge in luteinizing hormone that triggers ovulation.

Important Note

This calculator provides estimates. For most accurate results, combine with other tracking methods and consult your healthcare provider.

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