Can you explain exactly what is wrong in gastroschisis?

Birth defect: In gastroschisis the baby is born with the intestines protruding ouside of the abdominal cavity through a hole (defect) beside the umbilicus (belly button). For details including an image go to the birth defects homepage of the cdc at www.Cdc.Gov/ncbddd/birthdefects and select specific birth defects in the left column; scroll down to "gastroschisis".