Female cats that are not neutered at the age of three can choose to have sterilization surgery or mating. If they choose to be sterilized, they should take the cat for sterilization surgery when they are not in heat. Do a physical examination before the operation to ensure their health; if they choose to breed, they can Find male cats of the same breed for mating during the estrus period. Female cats are prone to pyometra if they are not neutered or mated, so you need to make a choice as soon as possible to avoid causing pyometra in cats.