Hypermobility syndrome is part of a spectrum of hypermobility disorders, including Ehlers-Danlos Syndromes (EDS) which are a group of rare inherited conditions that affect connective tissue. They might cause problems with the skin, tendons, ligaments, blood vessels, bladder and other internal organs and bones. Watch this video on Bladder Problems in EDS https://www.ehlers-danlos.org/what-is-eds/information-on-eds/bladder-problems/