Intra uterine device (IUD) migration is a rare complication of female contraception. The mechanism for this migration is still poorly understood. Its association with a bilharzian bladder is exceptional. Urinary schistosomiasis is an endemic disease in our regions. A real public health problem, it affects poor populations of farmers and fishermen. And also women when they do their household chores in infested water. Through an observation, we analyze the clinical and therapeutic aspects of the

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... ntra vesical migration of an IUD on a bilharzian bladder. The diagnosis was made on a 31 years old patient who had an IUD 1 year 3 months ago. She had presented some urinary disorders such as dysuria, micturition burns and intermittent hematuria, evolving for 3 months. A urine pellet had highlighted Schistosoma haematobium eggs. After medical treatment and sterilization of the urine, the symptoms remained. A cystoscopy was performed which found the IUD in the bladder. There followed a surgical exploration by an under umbilical laparotomy for the removal of the IUD. Migration of the IUD into the bladder and bilharzian cystitis are two distincts nosologies afections but similar clinical manifestations. In both cases, a good clinical and paraclinical analysis makes it possible to make their diagnosis and ensure adequate management.