Early signs that a dog may be in heat are a red discharge from the vulva, licking that is excessive, changes in behavior or appetite and an increase in temperature. The beginning phase of a dog’s heat cycle is called pro... More »

Behavioral changes such as becoming clingy, overly affectionate, grumpy or more distant than normal are all signs a female dog is in heat. While this is broadly true of most female dogs, some show no behavioral changes w... More »

The symptoms of a dog's first heat are the same as any other heat and include swelling of the vulva and bloody vaginal discharge. Female dogs may urinate more frequently when in heat or develop other behavioral changes. More »

A pregnant female Shih Tzu displays marked changes in behavior and appearance, her nipples become swollen and hard, her vulva remains swollen after heat and her belly grows larger, states All Shih Tzu. She may also show ... More »

Behavioral changes such as becoming clingy, overly affectionate, grumpy or more distant than normal are all signs a female dog is in heat. While this is broadly true of most female dogs, some show no behavioral changes w... More »

A Pomeranian is in heat when she displays a swollen vulva, a strong sex drive, and several other physical and behavioral changes. Also known as estrus, heat involves sharp swings in hormonal levels that prepare the dog's... More »

The symptoms of a dog's first heat are the same as any other heat and include swelling of the vulva and bloody vaginal discharge. Female dogs may urinate more frequently when in heat or develop other behavioral changes. More »