However, these are also the signs associated with pseudopregnancy, or false pregnancy, where the bitch behaves as if she is pregnant when in fact she isn’t. Some bitches with a false pregnancy even start producing milk, so enlarged mammary glands are not conclusive evidence of pregnancy. Notice if your dog’s nipples are growing.
Stages of Canine Pregnancy Week By Week. Weeks One and Two. An average pregnancy lasts for anything from 56 to 70 days depending on the breed, so this is still early days. Once out of heat, you can continue as usual with your dog – you can groom, feed and walk them exactly as you would if they were not pregnant.
Monitor continuing body changes. In the final third (weeks 6-9) of pregnancy, the dog’s belly becomes rounded and distended. Her mammary glands start to develop and become more obviously swollen, as they get ready to produce milk.