Funny Dirty Joke

A beautiful woman walks into a doctor's office and the doctor is bowled off by how stunningly awesome she and his professionalism goes right through the window.
He tells her to take off her pants and starts rubbing her thigh, he asks her do you know what I'm doing? Yes she said, checking for abnormalities. He tell her to take off he bra and starts rubbing her boobs,he asks her do you know what I'm doing? Yes, she said checking for cancer. He tells her to take of her underwear and starts having sex. He tells her do you know what I'm doing? She said "Yes getting AIDS