Are cats still fertile after neutering? Cats are not fertile after de-sexing. If the cat is still fertile after the de-sexing surgery, then it is the result of an unsuccessful surgery. Related Posts:Poodle when to neuter good Poodle neutering what are…SiameseOriental ShorthairEuropean BurmeseWhat are the risks of de-sexing cats?RagdollEnglish Deutsch Français Español Português 日本語 عربي