Dogs may lick their afterbirth because they find it fun, or because they think it helps relieve stress. Some dogs may even lick their afterbirth constantly due to excessive anxiety. Sometimes, the behavior of dogs licking the afterbirth may also be caused by physical discomfort or lack of certain nutrients. For example, a dog may lick the afterbirth due to a lack of iodine. In this case, the best solution is to give your dog nutritional supplements or allow him to receive treatment.
In short, if you find that your dog keeps licking the afterbirth, it is best to observe its physical condition and consider Contact your veterinarian to see if further testing and treatment is needed.