Up to 50% of adolescents with cerebral palsy have an intellectual disability, as well as a physical disability. Adolescents with intellectual disabilities still need sexual health education, they just need it in a way that's more individualized so that they can understand it and use it.
A speech language pathologist is someone who is trained in working with kids and adults. Everything from working with articulation errors and correcting things to what I do, which is working with people with profound physical impairments and getting them augmentative communication strategies.