It is normal for dogs to shed mucus during pregnancy

Dogs will shed mucus during pregnancy, especially before giving birth. It is very normal to shed mucus. Generally, it is green mucus. This is the dog placenta. The green secretion produced in the dog will suddenly discharge green mucus a few hours before giving birth. This phenomenon mainly indicates that the placenta begins to separate from the uterus. It is a normal phenomenon before giving birth and the owner does not need to worry.