This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Embryology of Digestive System, Subject name: Anatomy
Failure of the intestinal loops to return to the abdominal cavity by week 11 after physiological hernia at 6th week results in the formation of: 
Select and explain. 
A. Omphalocele, B. Gastroschisis, C. Anal agenesis, D. Ileal diveiculum
A: Omphalocele
Answer: A: Omphalocele 
Explanation: None