Gastroschisis is a congenital defect which is characterized by evisceration of the intestine through a paraumbilical defect of the abdominal wall. Little is known of the etiology of gastroschisis. During the last two decades a significant increase in the incidence of gastroschisis has been documented. Between 1960 and 1969, an incidence of 1/150,000 was reported, whereas during the 5-year-period from 1970 to 1974 the incidence increased to 1/6,000.1 However, not all studies have noted a recent increase in the incidence of gastroschisis.2 Most cases have been reported to appear in the first pregnancy of young mothers (average age 19.5 years). Hereditary factors have rarely been suspected although there are reports of recurrence in families.3,4

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