<unk>  (EC) is a severe birth defect wherein much of the abdominal organs (the bladder and intestines) are exposed. It often causes the splitting of the bladder, genitalia, and the anus. It is sometimes called OEIS complex. Diagnostic tests can include ultrasound, voiding cystourethrogram (VCUG), intravenous pyelogram (IVP), nuclear renogram, computerized axial tomography (CT scan), and magnetic resonance imaging (MRI).<unk>  is a rare birth defect, present in 1/200,000 pregnancies and 1/400,000 live births. It is associated with a defect of the ventral body wall and can be caused by inhibited mesodermal migration. The defect can often be comorbid with spinal bifida and kidney abnormalities.
Cloacal exstrophy
Bladder exstrophy
Hypospadias
Omphalocele
Persistent cloaca
Rectocele
Gastroschisis
Choanal atresia