Calculadora de Gestação Canina
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
gestação canina: 63 dias (58–68)
About this calculator
The Canine Gestation Calculator estimates the likely due date for your dog based on the breeding or insemination date. The average canine gestation is 63 days, but can range from 58 to 68 days. The tool provides this interval for a more realistic window.
How it works: you enter the breeding date and the calculator adds 63 days to get the predicted whelping date. A range of 58 to 68 days is also shown, useful for monitoring. Remember that each animal is unique; factors like breed, litter size, and health can affect duration.
When to use: ideal for breeders, owners, and veterinarians planning the birth. Use after confirming pregnancy (via ultrasound or palpation) as a reference. Monitor the dog as the due date approaches and consult a vet if needed.
Cautions: the calculator provides an estimate, not a substitute for veterinary care. Gestation may extend beyond 68 days; seek professional help if so. Watch for labor signs (restlessness, temperature drop) and prepare a clean, quiet whelping area.
Frequently asked questions
Does the calculator work for any dog breed?
Yes, the 63-day average applies to all breeds, but some variation occurs. Small breeds tend to have slightly shorter gestations, while large breeds may carry longer.
What if I don't know the exact breeding date?
If the date is approximate, the estimate will be less accurate. Try to recall when mating occurred or use the start of heat as a reference, but consult a vet for precision.
What should I do if my dog hasn't given birth by day 68?
Contact a veterinarian immediately. Prolonged gestation may indicate issues like large puppies or fetal distress. The vet may induce labor or perform a C-section.
Does the calculator replace ultrasound for pregnancy confirmation?
No. Ultrasound confirms pregnancy and estimates litter size. The calculator only predicts the due date after confirmation.
How can I tell if my dog is in labor?
Signs include restlessness, panting, digging, loss of appetite, and a drop in rectal temperature (below 37.5°C). If you notice these, prepare the whelping area and monitor.