when can a kitten become pregnant? i have 2 kittens one male one female who are 16 weeks old n very cute but vet said they wont fix them until they are 6 months but last night i caught my male cat prodding my female and had her neck in his mouth and doing u knw what and his winke was definitely out but he wasnt succesful putting it in her parts that we know of so we seperated them but what if there has been other times we are not aware of or is my female too young hopefully, any help or advice would be gratefully recieved many thanks in advance, shell x