Comprehensive Calculator Guide
📋Overview
The Ovulation Calculator helps you determine your ovulation date and fertile window based on your last period date and cycle length. Useful for pregnancy planning.
🎯How to Use
- Enter first day of last period
- Specify cycle length (28 days average)
- Click calculate for results
🔢Formula Used
Ovulation day = cycle length - 14 days. Fertile window: 5 days before ovulation to 1 day after.💡Practical Examples
Example: 28-day cycle
Last period: Jan 1 → Expected ovulation: Jan 15, Fertile window: Jan 10-16
❓Frequently Asked Questions
Q:Are results guaranteed?
A: Results are estimates only. Consult a doctor, especially if your cycle is irregular.