Why does my cat go into heat every other week

Sara Farell
Sara Farell

There is no one answer to this question as cats are individual animals and will react differently to the same stimuli. However, some common reasons why cats go into heat are because they are spayed or neutered, they are sexually inexperienced, they are not receiving enough attention from their owners, or they are not getting enough exercise. If your cat is going into heat every other week, it is important to make sure that they are getting the attention and exercise they need to stay healthy and happy.

Make an appointment with your veterinarian if your cat is consistently in heat. He will conduct a thorough examination that will include laboratory testing such as urinalysis, blood work, and a biochemistry profile. This will provide the veterinarian with vital information about the cat's organ functionality and will allow the veterinarian to screen for various conditions. 

Your veterinarian will also inquire about your cat's heat cycle. He will want to know your cat's exact age, whether she has given birth to a litter, and whether she is pregnant. The veterinarian will want you to describe your cat's behavior when she is in heat in detail.

Once the laboratory results are in, your veterinarian will investigate what is wrong with your cat. He may want to perform specific tests, such as radiography and ultrasound, to look for any ovarian abnormalities. These tests will look closely at the ovaries to see if your cat has a tumor or a cyst, both of which can cause persistent estrus.

If your cat has an ovarian cyst or a tumor, your veterinarian will explain the treatment plan in detail to you. He may also recommend that you spay your cat once treatment is completed to prevent her from going into heat and thus removing her chances of becoming pregnant.

A female cat is in heat for four to seven days on average. Her heat, on the other hand, could last as little as two days or as long as three weeks.

Queens are unspayed female cats of reproductive age. Cats are polyestrous, which means they have multiple sexes. 

The Heat Cycle Stages in Cats

  • Proestrus: The queen may attract unneutered males (toms) during proestrus, but she is not ready to mate. Proestrus typically lasts one or two days. Queens in proestrus typically exhibit no visible signs.
  • Estrus (heat): The queen then enters estrus, or heat. She will attract men for about a week (give or take). The queen may vocalize loudly, roll around, rub on things, and elevate her rear end during this stage. She may also have a loss of appetite. Ovulation will occur if the queen mates while in estrus. Mating stimulates hormone production, which causes ovulation. To become pregnant, queens typically need to mate four to six times during estrus. The queen may mate with multiple males at the same time.
  • Diestrus: The queen would enter the diestrus phase if she became pregnant. Progesterone is the dominant hormone during this time, and the queen's fertilized eggs (also known as oocytes) develop into embryos. 12 to 13 days after mating, the embryos are implanted in the uterus. Not all embryos survive this process though, but about 84% would be successfully implanted in the uterus.
  • Interestrus: If the queen does not mate or bear children during estrus, she will enter interestrus. This is the time in between heats. Her estrogen levels fall, but she shows no symptoms. She will go into heat again in about two to three weeks. The proestrus, estrus, and interestrus cycles will continue until the queen becomes pregnant or until the mating season ends.
  • Anestrus:. Her ovulatory hormones. Heat cycles occur in feral and outdoor cats. This is because the longer days stimulate the queen's hormone production. The queen is not stimulated to go into heat when the days are shorter (especially from October to January). Indoor cats are subjected to long periods of artificial light and may experience heat cycles all year.

When Will My Cat Get Pregnant?

Female cats who have not been spayed may have their.   If you have a kitten and want to keep her from becoming pregnant, it's best to have her spayed as soon as your vet thinks it's safe. This is usually between four and six months of age, but it can be as early as six to twelve weeks.

Reasons to Keep Your Cat Cool

Your kitten will be able to become pregnant as soon as she has her first heat. Her hormones stimulate her desire to find a mate. She'll probably scream in pain. She may roll around on the ground, rubbing on everything she sees. Most importantly, if she is only found indoors, she may attempt to flee in search of a mate. It is not only dangerous for her to be outside, where she may become lost or injured, but it is also dangerous for her to become pregnant at such a young age. Because her body is still growing, pregnancy could be harmful to both her and the kittens.

If your cat does not leave the house during her first heat, she will have a heat cycle every few weeks until she becomes pregnant or is spayed. This may give the impression that she is constantly in heat. This may become stressful and unhealthy for your cat over time. She may begin to lose weight, overgroom, and even develop behavioral issues. 

Allowing your cat to become pregnant contributes to the world's pet overpopulation problem. There are countless cats and kittens in shelters looking for homes. Even if you find homes for your cat's kittens, keep in mind that the kittens are taking the place of shelter cats who might have found homes. Unless you have a pedigree cat and are willing to collaborate with a cat breeder to practice responsible breeding, you should have your female kitten spayed as soon as possible.

If you suspect your pet is ill, contact your veterinarian right away. Always consult your veterinarian for health-related questions, as they have examined your pet, know the pet's medical history, and can make the best recommendations for your pet.

Article Sources

To back up the facts in our articles, The Spruce Pets only uses high-quality sources, including peer-reviewed studies. Learn more about how we fact-check and keep our content accurate, reliable, and trustworthy by reading our.

  1. Little, Susan E. Female Reproduction. The Cat, 2012, pp. 1195-1227. Elsevier, doi:10.1016/b978-1-4377-0660-4.00040-5

    Why does my female cat go into heat every two weeks?

    So long as a female cat has not been spayed She may become pregnant every two to three weeks. During their breeding season, which is usually during the warmer months, cats can go through multiple heat cycles.

    Why is my cat in heat after only a week?

    When a cat becomes pregnant, she will be in heat for about a week, or up to ten days. until she becomes pregnant . This cycle will take 14 to 21 days to complete. When the amount of light in the day begins to diminish in the fall, the cat will usually come out of heat.

    What causes a cat to become pregnant?

    By six months of age, female cats will typically begin their estrus cycle or heat cycle. Certain environmental factors like temperature and proximity to potential mates can bring it about sooner or later.

    Do cats have heat cycles every three weeks?

    A cat's heat cycle, also known as the estrous cycle, occurs frequently. Every 2 to 3 weeks, a female cat will go into heat. Their heat cycle will continue until they become pregnant or are spayed.

cat heat week

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