The sex of a kitten doesn’t really matter, as long as you neuter your kitten before it reaches puberty (at about four months of age) when the influence of sex hormones kick in. Un-neutered cats may exhibit unwelcome reproductive behaviours. For example, un-neutered male cats will mark their territory with strong smelling urine while un-neutered female cats can come into season every two weeks if they do not become pregnant. How to tell what sex a kitten is
Read the full article from International Cat Care here