Homemade foods often do not contain the proper balance of the necessary nutrients and should be avoided.

At this point you should also increase the amount that you feed your dog by 20-25%. Do not feed large-breed dog or large-breed puppy foods, even if you have a large-breed dog. These foods typically do not contain enough energy or calcium for a pregnant dog.

Because the puppies will be pushing on her stomach, she may not be able to eat this much food in one meal. Dividing her food into smaller, more frequent meals will ensure that she gets all of her nutritional requirements. Some dogs need to be “free fed” at this point, meaning that their food is left down throughout the day to allow them to eat as needed.

Adding meats to your dog’s food can cause them to eat fewer carbohydrates and decrease her energy intake.

Most experts advise against vaccinating pregnant dogs, so vaccines should be given ahead of time. Get your dog dewormed. Internal parasites (such as roundworms and hookworms) can pass from a mother to her puppies. Your dog’s veterinarian will prescribe an appropriate medication that will protect both your dog and her puppies. Have a heartworm test performed by your vet and start an appropriate heartworm preventative. Heartworm microfilaria can pass from a dog to her unborn puppies through the placenta.

Ultrasound machines can visualize puppy embryos approximately 3 weeks into the pregnancy. Your veterinarian may be able to feel the puppies inside your dog’s belly 20-30 days into the pregnancy. Unborn puppies can be seen on x-rays after 45 days (5 weeks) of pregnancy. [3] X Expert Source Kateryna ZabashtaDog Breeder Expert Interview. 19 March 2021. Your veterinarian will count the fetal skeletons to determine the number of expected puppies. This way, you will know if all the puppies have been delivered successfully when your dog gives birth. If you are expecting 6 puppies but only 4 are born, you will know to take your dog in for emergency medical care.

Talk to your veterinarian about your dog’s flea and tick treatments and her risk for these parasites. Your veterinarian will recommend an appropriate product if treatment is indicated. Examples of products that your veterinarian may recommend for your pregnant dog include FrontlineⓇ Plus Topspot (but not FrontlineⓇ Spray), RevolutionⓇ, ProgramⓇ, and CapstarⓇ. [4] X Research source Your veterinarian may recommend a dewormer during the last third of your dog’s pregnancy. Fenbendazole is typically considered safe for pregnant dogs and can treat worms that can be passed from a dog to her puppies. Do not give any over-the-counter medications, treatments, or supplements to your dog without asking your veterinarian whether they are safe during pregnancy. Do not vaccinate your pregnant dog. Talk to your veterinarian about vaccinations if your dog is pregnant and is overdue on vaccines. If your dog is on long-term medications for a chronic disease, talk to your veterinarian immediately to determine if you should continue or stop the medications.

If you have a working dog, talk to your veterinarian about an appropriate exercise plan.

Choose an appropriate time of day for the weather in your neighborhood (ie, early morning during the summer or mid-afternoon in the winter). If your dog jogged regularly before getting pregnant, she can continue to do so for the first 4-6 weeks of pregnancy. After the 6th week, however, discontinue jogging in favor of daily walks.

Also, pregnant dogs and dogs with young puppies can have behavior changes. Your dog may become aggressive towards other dogs if she feels that they are threatening her puppies.

The whelping box needs to be large enough to allow your dog to fully stretch out and still leave room for all of the puppies. The walls of the box need to be high enough to prevent the puppies from climbing out when they are 6 weeks old, but short enough that their mother can leave as she desires. The walls need to be firm and secure enough that they will not collapse and squish the puppies. If you don’t provide a box, your dog may choose a less-than-desirable location on her own.

Lining the box with newspaper is not recommended because it is neither soft nor warm, and newspaper ink can transfer to the puppies’ fur. Keep the floor of the box is around 75 °F (24 °C) by using low wattage light bulbs. For your dog’s and the puppies’ safety, make sure that the floor doesn’t get too hot or too cold.

Think about your dog’s (and the male dog’s) personality and behavior. Some scientific studies show that aggression can be genetic. You should breed friendly dogs that do not have aggressive tendencies.

If your dog has trouble delivering her puppies, emergency veterinary treatment will be necessary. Cesarean sections (C-sections) can be very expensive, so be prepared to shell out some cash if there is an emergency.

For each puppy that your dog delivers, there could be one less home available for a shelter dog.