Symptoms of miscarriage in dogs:

1. Symptoms of premonitory miscarriage: Dogs will discharge mucus from the vagina, the color is transparent or translucent jelly-like, sometimes Mixed with blood. At this time, dogs are mostly restless and breathing rapidly.

2. Invisible abortion: This situation usually occurs in the early stages of pregnancy in dogs. The embryo has not yet formed a fetus. After death, the tissue is absorbed by the mother's body, leaving no trace in the uterus, and the dog has no obvious symptoms.

3. Premature birth: In the first few days of delivery, the dog's breasts suddenly enlarge, the labia swell, and mucus leaks from the vagina to discharge the dead or inactive fetus. There is no fetal movement reflex during auscultation of the dog's abdomen, the external cervix is ​​slightly open, and the mucus is thin.

4. Delayed abortion: The dog’s fetus died in the abdomen, but because the cervix was not opened widely or did not open, the stillborn fetus remained in the body and could not be expelled.

Measures to prevent miscarriage in dogs:

1. Strengthen the feeding and management of pregnant dogs so that they can maintain optimal health and avoid injury and external stimulation. . In the early stages of pregnancy, try to avoid the use of chemical drugs to prevent the occurrence of diseases and poisoning.

2. After the bitch with habitual abortion becomes pregnant again, progesterone (2mg/kgbw) can be injected intramuscularly at the appropriate time, 2 to 3 times a week. When the fetus has died and miscarriage is unavoidable, the mother should be encouraged to expel the fetus and its uterine contents. Prostaglandin (PG) F2a, oxytocin or estrogen can be used.

3. For bitches that have shown signs of poisoning and shock or are in poor general condition, timely infusion and sugar supplementation are required. At the same time, antibiotics should be used appropriately according to changes in body temperature and blood images.