Complex sentence: Most children with XXYY will have some developmental delays and learning disabilities therefore the following aspects should be checked and monitored: psychology (cognitive and social--emotional development), speech/language therapy, occupational therapy, and physical therapy.
Split into simpler sentences: Most children with XXYY will have some developmental delays and learning disabilities. Therefore the following aspects should be checked and monitored: psychology (cognitive and social--emotional development), speech/language therapy, occupational therapy, and physical therapy.