Continuous uterine bleeding in dogs may be caused by estrus, pyometra, miscarriage, etc. The dog may be in estrus, and the stimulation of sex hormones will cause the uterus to bleed and discharge. This is normal and the owner does not need to worry. If a dog suffers from pyometra, blood will also appear in the uterus, usually accompanied by purulent secretions, which appear yellow-brown. It is recommended to undergo surgical removal immediately. If a pregnant dog has a miscarriage and the uterus will continue to bleed, it is recommended to go to the hospital immediately.
