Dog Heat Cycle Calculator (Estrous Timeline)
CalculatorScale.com
Input Parameters
Instant Real-time Calculation
Days Since Heat Started (Proestrus Bleeding)
days
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Result
Biology
Current Estrous Cycle Stage
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Calculation Logic:
Canine heat consists of Proestrus (days 1-9), Estrus (days 10-15 fertile), Diestrus, and Anestrus.