How Can I Tell If A Kitten Is A Boy Or Girl?

Kittens are born with the sex marked on them, so you can tell if it’s a boy or girl by looking at its genitalia. If it has a penis, then it is male. If not, then female.

http://answers.yahoo.com//question/index?qid=20120829051330AAE4xTV

How do i know if my cat is pregnant?