Ovulation & Fertile Window Calculator

How It Works

• Provides an estimated ovulation date: ~cycle_length–14 days from LMP.
• Shows the 6-day fertile window leading up to ovulation.
• Predicts the date of your next expected period.

Health Tips for U.S. Users

• Track at least 3 cycles to understand your pattern.
• Use ovulation kits or basal body temperature for greater accuracy.
• Maintain a healthy lifestyle to support fertility.

Important Disclaimer

This tool is educational and not a form of contraception. Always consult a healthcare provider for personalized advice.