It takes about a month to recover from false pregnancy in dogs. False pregnancy in dogs is caused by endocrine disorders or improper mating. It is very similar to real pregnancy, and the belly will become enlarged and milk will be secreted. Generally, false pregnancy occurs in adult female dogs, elderly female dogs, female dogs that have been taught to mate, or bitches that have never been mated. If you want to avoid this situation, you can perform sterilization surgery on your dog.