exstrophy-epispadias complex (MONDO_0017919, a Monarch Disease Ontology term) is a spectrum of genitourinary malformations ranging in severity from epispadias (E) and classical bladder exstrophy (CEB) to exstrophy of the cloaca (EC) as the most severe form. Depending on severity, the EEC may involve the urinary system, the musculoskeletal system, the pelvis, the pelvic floor, the abdominal wall, the genitalia and sometimes the spine and the anus. Also known as: EEC, OEIS complex, OEIS syndrome.