Do teenagers with hypogonadism have learning difficulties?

No. Not that i recall unless the cause of hypgonadism is a know genetic disorder such as turners or noonan syndrome.
No. No really, it all depends on the primary diagnosis, for example turner syndrome and kleineffelter are two entities that are associated with learning difficulties. Is associated with.
No. Isolated hypogonadism is not in itself associated with learning difficulties. It may be associated with certain symptom complexes that include mental retardation and/or learning disabilities. In addition, associated depression may affect learning.