1) pulmonary edema-a build up of excess fluid in the interstital space between the alveoli and the capillary 2) pulmonary fibrosis-a build up of fibrous tissue in the interstital space 3) pneumonia-a build up of inflammatory fluid and cells in and around the alveoli.
The first day of bleeding is called the first day of heat. The duration of proestrus can vary from as little as 1 day to 21 days. Proestrus is a time of rising estrogen levels preparing the reproductive tract for breeding. Estrus: Is the period of receptivity. Behaviorally it begins the first day the bitch stands.
How long does a dog stay in heat after bleeding stops? Female dogs stay in heat for 17 to 21 days depending on their age, size, and overall health. The bleeding stops towards the beginning of the female dogâs heat and generally lasts for a week or so. In most cases, the dog will remain in heat for an extra week after the bleeding stops.