Etiology: The delayed return of the fetal midgut in the abdomen has been reported to result in midgut olulus as well as other midgut pathologies as intestinal obstruction and short bowel syndrome .

• 病因：据报导胎儿腹部中肠回旋延迟会导致中肠扭转和其他中肠病变，象肠梗阻和短肠综合征。