Cat's heat cycle lasts 7-10 days, sometimes 3-14 days.
Cats have frequent heat cycles during breeding season's last weeks.
Female cats in heat show signs like restlessness vocalization, rubbing and grooming.
Heat cycle includes Proestrus, Estrus, Metestrus, Anestrus; behavior, mating involved.
Spaying can removes cat's reproductive organs to prevent issues and breeding.