Dog Pregnancy Calculator And Timeline Calendar


Are you excited about your dog’s pregnancy? Are you eager to know the due-date for your pooch? Provide us with the first day of mating. You will be able to know the due date of your pooch and also the week-by-week developmental changes in your dog taking into account the 63 days of gestation period. This information will definitely make you feel stress free and impart some knowledge to handle the whelping without fear!

Date of Mating


Expected Due Date

Your Dog Pregnancy Timeline Details

  • Fertilization of the egg will occur after ovulation and mating.

  • Once the egg is fertilized, the embryo will travel to the uterine horns on the 7th or 8th day of conception. You can notice slight behavioral changes.

  • Your dog will put on weight gain and is the first symptom of pregnancy. Fertilized egg will implant in the uterus lining on the 16th day after conception. You can see a sudden increase of appetite in your dog. She may vomit and have nausea around day 21. The embryo depends on the mother for nutrition. So, feed accordingly.

  • Embryo develops by day 22 of the gestation period. Formation of spinal cord and facial features of the puppies start to develop. The levels of hormone “relaxin” will increase. You can take the dog to the vet for a scan around this time. The dog will eat more than the normal amount.

  • The level of amniotic fluid in the uterus increases. Your dog may have increased vomiting due to the pressure in the stomach. Pups will get the eyelids by day 32. Your dog’s weight will increase by 20 to 50% and will be visibly seen.

  • Your pooch will show her tummy and it is big! The nipples become larger, darker and pink in color due to the increase in blood supply. Dog will feel the increased level of appetite. You should start arranging for whelping. Make sure you feed your dog with more nutritional diet with more minerals and proteins to carry through the phase comfortably.

  • The dog’s abdomen will be firm and enlarged Your pooch’s belly hair will shed. Puppies are almost at the full growth stage in their mummy’s womb. Breast tissues develop. You may start preparing for whelping. Provide her a quiet and warm environment. Consult your vet for all suggestions.

  • Whelping begins at this time period You can feel and see the movement of the puppies inside the belly. The mommy dog will produce the nutrient “colostrum” and it slowly starts to flow. Loss of appetite.

  • GET READY! LABOR WEEK! Your dog will become more restless and she prepares for the exciting moment. A milky fluid will be discharged from her nipples. She will be in labor and may deliver the puppies in a matter of hours. Puppies attain complete growth inside the mummy’s tomb by day 58. Your dog won’t eat at all. Temperature will drop to 97 degree F around 12 to 24 hours before the labor. Keep checking the temperature through rectum every 3 hours. Your dog will dig, pace, pant or become restless when is going to deliver the puppies

  • The Birth(Approximately on the 63rd day)

    And, here the puppies arrive one by one. Congratulations!
  • This may be the extension period of your dog’s pregnancy due to various reasons. Don’t panic. Consult your vet to check everything is OK with your dog.