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Published: May 24, 2026 7:27 PM

Ovulation Calculator – Fertile Window & Ovulation Tracker

Ovulation Calculator – Fertile Window & Ovulation Tracker

Category: Web Apps

Ovulation Calculator Fertility Calculator Fertile Window Calculator Ovulation Tracker Pregnancy Planning Conception Calculator Menstrual Cycle Tracker Women's Health Pregnancy Tool Medical Web App

Written by Dr. T.K. Nadisha Shanuka

MBBS

Medical content writer and healthcare educator.

This free Ovulation Calculator helps estimate your ovulation day and fertile window using your menstrual cycle information. Tracking ovulation can help with pregnancy planning and understanding reproductive health. This tool is intended for educational purposes only and does not replace professional medical advice.

🌹 Ovulation Calculator

Fertile window & ovulation tracker for cycle planning

Please enter a valid period start date.

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Next Ovulation Day
Fertile Window Starts
Fertile Window Ends
Next Period Expected
Peak Fertility Day
Your Cycle at a Glance
Menstruation
Follicular
Fertile Window
Ovulation Day
Luteal Phase
Upcoming Fertile Windows
    Medical Disclaimer: This calculator provides estimates based on average cycle patterns. Ovulation timing varies between individuals and cycles. This tool is not a contraceptive method. Always consult a qualified healthcare professional or fertility specialist for personalised advice.
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