An ultrasound after 50 days of pregnancy will not only tell you possible litter size but also expected date of delivery. Before start of whelping, your dogs will show some signs of labor. These sign can appear 8-48 hours before start of labor. These signs can be
- Reduced appetite
- Reduced rectal temperature below 100 F
- Restlessness and pacing
- Nesting behavior
- Frequent visits to nest
- Licking of genitalia
- Agitation