If you are not comfortable, get a second opinion and another colposcopy. That your doctor wants to proceed with LEEP disturbs me.
As a word of caution, I am not a supporter of LEEP. Insurance companies love it because it's cheap. But take care of your body by discussing all four methods of amputation, should you require it. LEEP has a very high risk of infection. If you are concerned about carrying a pregnancy to term, consider cryosurgery or laser. But you need to go over the kind of dysplasia you have -- if you have it -- and then make an informed decision. For some women, LEEP is the best choice. However, I regret getting LEEP.