Why is my female dogs private area swollen after heat?

Why is my female dogs private area swollen after heat?

An unspayed female dog will go into the heat or estrus phase for approximately three to four weeks once or twice a year. This is completely normal for your dog. The production of estrogen in this period causes the tissues to expand and face outwards from the vulva

How swollen Do dogs get in heat?

Swelling of the vulva: The amount of vulva swelling varies from dog to dog. Some dogs swell just a bit, while others swell quite a lot. Bleeding also varies, but typically bleeding is light during the first few days and grows a bit heavier mid-week.