Dog Heat Cycle Calculator
Track and predict dog heat cycles, estrus periods, and breeding windows for optimal reproductive management.
Dog Information
months
days
Typical range: 18-24 days
days
Typical range: 7-10 days
Results
Enter dog information to calculate heat cycle
Dog Heat Cycle Information
Cycle Phases
- • Proestrus: 7-10 days (swelling, bleeding)
- • Estrus: 5-9 days (fertile period)
- • Diestrus: 60-90 days (pregnancy or false pregnancy)
- • Anestrus: 2-4 months (resting period)
Signs to Watch
- • Swollen vulva
- • Bloody discharge
- • Increased urination
- • Behavioral changes
- • Male dog attraction