Q:

How long do dogs stay in heat?

A:

Quick Answer

Female dogs stay in heat, technically known as "estrus," for five to 13 days. The length varies between different breeds and individual dogs. Male dogs are attracted to female dogs for approximately 18 days.

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Full Answer

Female dogs usually go into heat twice a year, with the first cycle occurring on average between 6 and 12 months of age. It can occur earlier in small breeds or later in large breeds. Signs a dog is in heat include increased urination, a swollen vulva and a yellowish vaginal discharge. About.com recommends spaying female dogs before their first heat unless the dog is intended for breeding.

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Related Questions

  • Q:

    How often do dogs go into heat?

    A:

    On average, a female dog that hasn't been neutered or spayed goes into heat twice a year. The duration of the heat cycle is between 12 and 21 days, although this varies between breeds and individual dogs and can last up to four weeks.

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  • Q:

    When do dogs go into heat?

    A:

    A dog that is not spayed first enters heat when she is between 6 months old and 24 months old. If she is spayed, she normally experiences heat twice a year. Smaller dog breeds typically experience heat earlier than larger breeds. Heat lasts about 18 days.

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  • Q:

    How often do female dogs go into heat?

    A:

    Unspayed female dogs tend to experience estrus, or go into heat, twice a year. Some breeds go into heat more often than others, and spayed dogs do not go into heat.

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  • Q:

    How long do dogs bleed when they are in heat?

    A:

    Most female dogs, or bitches, bleed for 18 to 24 days while they are in heat. Some bitches have their first heat as early as six months old. Healthy female dogs go into heat twice a year.

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