Inclusion Criteria:  Age 20-40 years Placenta accreta managed either by cesarean hysterectomy or by uterine sparing conservative treatment Bladder injury was diagnosed and repaired during surgery 6 months ago.  Exclusion Criteria:  Patients with neurological problems Presence of congenital urinary system anomalies Urinary tract infections (UTIs) Previous urologic surgeries Patients with stone bladder or tumour Diabetic patients