Pregnancy Calculation Formula:
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The Dog Pregnancy Calculator estimates the due date for pregnant dogs based on the mating date. It uses the standard canine gestation period of 63 days to predict when puppies will be born.
The calculator uses the simple formula:
Where:
Explanation: The average canine pregnancy lasts approximately 63 days from the date of mating, though this can vary by ±7 days depending on breed and individual factors.
Details: Accurate due date prediction helps breeders and owners prepare for whelping, schedule veterinary check-ups, and ensure proper care during the final stages of pregnancy.
Tips: Enter the exact mating date in the date picker. The calculator will automatically add 63 days to provide the estimated due date.
Q1: Is 63 days exact for all dogs?
A: While 63 days is the average, gestation can range from 58-68 days depending on breed, size, and individual factors.
Q2: When should I start preparing for whelping?
A: Begin preparations about 1-2 weeks before the calculated due date to ensure everything is ready.
Q3: What are signs of approaching labor?
A: Nesting behavior, temperature drop, loss of appetite, and restlessness are common signs 24-48 hours before labor.
Q4: Should I confirm pregnancy with a vet?
A: Yes, always confirm pregnancy with a veterinarian who can provide accurate dating through ultrasound and proper prenatal care guidance.
Q5: What if I don't know the exact mating date?
A: If the exact date is unknown, veterinarians can estimate gestation through ultrasound measurements and physical examination.