Frequently Asked Questions
How long is dog pregnancy?
Canine gestation averages 63 days but normal delivery ranges from 58 to 68 days from breeding. It is about 63 days from ovulation and ~57 days from the LH surge, which is why ovulation timing dating is more precise than mating dating. This is general guidance, not veterinary advice - consult your veterinarian for personalized recommendations for your pet.
Why is the range so wide from the mating date?
Sperm can survive several days and the bitch may be bred before or after ovulation, so counting from a single mating can be off by up to a week. Progesterone timing with your vet narrows it. This is general guidance, not veterinary advice - consult your veterinarian for personalized recommendations for your pet.
What are the key milestones?
Roughly: day 25–30 ultrasound to confirm pregnancy, day 45+ X-ray to count puppies, gradual nesting behavior near term, and a ~1°F drop in body temperature 12–24 hours before labor.
When should I involve a veterinarian?
Throughout - for pregnancy confirmation, puppy count, and a whelping plan. Seek urgent care if gestation exceeds ~68 days or labor stalls. This tool is a planning estimate, not medical guidance. This is general guidance, not veterinary advice - consult your veterinarian for personalized recommendations for your pet.
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Important Disclaimer: Estimates for informational purposes only.
This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.