What Are Signs Of A Blue Nose Pit In Heat?

Heat periods in dogs start after the age of 6-8 months. Dogs can have 2 heat periods in a year during which pregnancy can occur due to mating. Signs of heat in dogs can be

1. Restlessness
2. Frequent urination
   
3. Swelling of vulva
4. Bleeding from the genitalia

Mating is possible when this bleeding is ceased or reduced and dog show flagging behavior.