Ovulation Calculator
Track ovulation and fertile days
Cycle Information
Fertility Window
Menstrual
Current Cycle Phase
Ovulation Date1/9/2026
Estimated day of ovulation
Fertile Window1/4/2026 - 1/10/2026
Days with highest chance of conception
Next Period1/23/2026
Expected start of next cycle
Cycle Phases:
Menstrual
12/26/2025 - 12/31/2025
Menstruation occurs
Follicular
12/31/2025 - 1/4/2026
Follicle development
Fertile Window
1/4/2026 - 1/10/2026
Highest chance of conception
Luteal
1/10/2026 - 1/23/2026
Post-ovulation phase
Understanding Your Cycle
Menstrual Cycle Phases
- • Menstrual Phase (Days 1-5)
- • Follicular Phase (Days 1-13)
- • Ovulation (Day 14)
- • Luteal Phase (Days 15-28)
Fertility Signs
- • Cervical mucus changes
- • Basal body temperature
- • Ovulation pain
- • Cervical position
Tracking Tips
Cycle Tracking
- • Record period dates
- • Note cycle length
- • Track symptoms
- • Monitor changes
Conception Tips
- • Time intercourse
- • Track fertile days
- • Maintain healthy habits
- • Reduce stress
When to Consult
- • Irregular cycles
- • Severe symptoms
- • Fertility concerns
- • Unusual changes