When does the plug come off during labor in dogs? - briefly
The mucus plug typically comes off early in the first stage of labor in dogs, often before contractions begin. This is an important sign that labor has started and the cervix is dilating.
When does the plug come off during labor in dogs? - in detail
The discharge of the mucus plug, also known as the operculum or birth plug, is a significant event during labor in dogs that indicates the process is progressing normally. This plug serves to seal the cervix and prevent infection during pregnancy, but it must be expelled for delivery to occur.
In dogs, the mucus plug typically comes off within the first few hours of active labor. Active labor is characterized by strong, regular contractions that help dilate the cervix and push the puppies through the birth canal. The exact timing can vary depending on several factors, including the dog's breed, age, and overall health. However, it is generally expected within the initial stages of active labor.
The expulsion of the mucus plug is often accompanied by other signs of labor in dogs. These may include restlessness, nesting behavior (such as digging or tearing at bedding), panting, and a decrease in appetite. Additionally, the dog's rectal temperature may drop slightly below normal (around 100°F or 37.8°C) as labor progresses.
Once the mucus plug is expelled, it is important to monitor the dog closely for the next stage of labor, which involves the passage of the puppies. The first puppy usually arrives within 6-12 hours after the onset of active labor and the discharge of the mucus plug. If more than 4 hours pass without any signs of progress, or if there are any concerning symptoms such as excessive bleeding, straining without producing a puppy, or signs of distress in the mother, immediate veterinary attention is recommended to ensure the safety of both the mother and her puppies.