The operation is a one off procedure and is not reversible. Once your cat has been spayed she will never be able to have kitten
Spaying lowers the risk of contracting Feline Leukaemia Virus, Immunodeficiency Virus and Infectious Peritonitis Virus. All of theses fatal diseases are believe to be spread, in part, by mating as well as through close contact e.g. fighting. Spayed cats are not mated and generally have less contact with other cats in the neighbourhood and therefore their risk of infection is decreased.