how long are dogs in heat

Best answer


2 to 4 weeks

People also ask


  • How long does heat last in a female dog?

  • Heat usually lasts between 2-4 weeks. Early in the cycle, a female dog may not be receptive to male dogs, although some are receptive through the entire cycle.

  • What does it mean when a dog is in heat?

  • A female dog in heat is basically sending signals that she is able and ready to conceive. Only during heat can female dogs become pregnant. Dogs usually have their first reproductive cycle when they are six months old, unless they are spayed.

  • What is the first stage of heat cycle in dogs?

  • Proestrus stage The first stage of the dog heat cycle is called proestrus. This stage can last from 3 to 17 days, but many dogs experience about 9 days in proestrus. The first sign of this stage is the swelling of the vulva.

  • How old do dogs have to be to go into heat?

  • Toy and small breeds mature much earlier than giant breeds and can come into heat as early as four months of age. Giant breeds may be two years old before they experience their first heat. On average, a female dog will come into her first heat between six and 15 months of age. Most dogs have two estrous cycles per year.