When do cats go in heat?

Cats will generally go into heat based on the temperature. They go into heat when it's warmer - but obviously this varies depending on what part of the world you live in. For most parts of the United States, this will be from March to September. During this reproductive season, cats will repeatedly go into heat, and can even become pregnant multiple times. They usually do it every two or three weeks while the temperature stays warm.


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However, if your cat stays indoors, it can go into heat constantly year round. This is why it is strongly recommended that you spay your cat. It's not a good idea to start letting your cat out - in an unspayed cat, that means pregnancy. Besides, indoor cats live much longer and happier lives.

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