Instead of looking on shedding of mucus plug, look for signs of labor. The mucus plug is lost in dogs 4-5 days before delivery. Sometimes, it can be lost 7 days before delivery. Following signs of labor indicate that dog is going to have puppies within 8-48 hours.
- Restless & pacing
- Loss of appetite
- Reduction in rectal temperature below 100 F
- Nesting behavior