This may be caused by an injury to the dog's hind legs. It is best for parents to take the dog to the hospital for a full-body examination. The dog may have internal injuries after being hit by a car. We need to do a comprehensive examination to Determine the physical condition of the dog. When walking the dog, parents should remember to bring a leash to prevent the dog from running around.

Tip:

Dogs in heat are most likely to be out of control. If parents are not prepared to breed them, it is best to neuter them as soon as possible to prevent them from running around.