Pregnancy duration is called gestation. In dogs, gestation can last for 58-68 days with average 63 days. Signs of labor in dogs are reduction in the body temperature of 2 degree, milk production 24 hours before delivery, external genitalia become large and soft with mucus secretions, loss of appetite, signs of restlessness and greenish vaginal discharge few hours before giving birth.
So, you should wait up to 68 days and then visit to vet if no signs of labor.
So, you should wait up to 68 days and then visit to vet if no signs of labor.