Cloacal exstrophy (CE) 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.[2]
^"Omphalocele, exstrophy of the cloaca, imperforate anus, and spinal defects complex". Genetic and Rare Diseases Information Center. US Department of Health & Human Services. Archived from the original on 2021-01-16. Retrieved 2021-01-14. There is a high association with other birth defects, especially spina bifida, which occurs in up to 75% of cases. Omphalocele, a defect of the abdominal wall in the region of the umbilicus, is also common, as are kidney abnormalities.
^Greenberg, Julie A. (June 2017). "Legal, ethical, and human rights considerations for physicians treating children with atypical or ambiguous genitalia". Seminars in Perinatology. 41 (4): 252–255. doi:10.1053/j.semperi.2017.03.012. PMID28478089.