Welcome to the Dog Pregnancy Calculator!

Estimate your dog's due date by entering the mating date, and receive personalized timelines to prepare for the arrival of puppies.

How long is a dog pregnant in months?

A dog is pregnant for about 2 months, or approximately 63 days. The duration can vary slightly, with pregnancies lasting anywhere between 58 to 68 days depending on the dog. Understanding the stages of a dog's pregnancy helps in providing proper care and preparing for the birth of the puppies.

How many puppies are there in the first litter?

A dog's first litter typically includes 1 to 12 puppies, with the average being around 5 to 6. Litter size can vary based on the dog's breed, size, and genetics. Smaller breeds usually have fewer puppies, while larger breeds tend to have bigger litters.

What are the first signs of a dog’s pregnancy?

The first signs of a dog's pregnancy include increased appetite, weight gain, and changes in behavior such as becoming more affectionate or lethargic. Other early signs are enlarged or darkened nipples, slight vaginal discharge, and a decrease in physical activity. These symptoms typically appear around the third week of pregnancy.
  • Weight Gain- Around the third or fourth week of pregnancy, a dog may experience slight weight gain as her body prepares for the development of the puppies.
  • Swollen Stomach- A noticeable swelling of the abdomen often occurs as the pregnancy progresses, usually becoming evident in the second half of the gestation period.
  • Increased Appetite- Many pregnant dogs show an increased appetite due to the growing nutritional demands of their developing puppies, particularly in the later stages of pregnancy.
  • Tiredness- Pregnant dogs often become more lethargic and tired, opting to rest more frequently as their bodies adjust to the energy demands of pregnancy.
  • Irritability- Hormonal changes can lead to mood swings, and some dogs may become irritable or less tolerant of activities or other animals.
  • More Affectionate- Some dogs become more affectionate during pregnancy, seeking extra attention and closeness with their owners.
  • Vomiting- Morning sickness, similar to what humans experience, can occur in the early weeks of a dog’s pregnancy, resulting in occasional vomiting.
  • Decreased Appetite- In contrast to increased hunger later in pregnancy, some dogs may initially experience a decrease in appetite during the early stages of gestation.