This case of intestinal obstruction is reported because it not only is a rare complication of pregnancy but also is a diagnosis seldom considered since the symptoms so closely simulate those occurring in normal pregnancy. Only six cases have been reported in the American literature. The patient was a 19-year-old pregnant woman whose last menstrual period was in August, 1951. Two years prior to her pregnancy she had had an appendectomy with an uneventful postoperative period. The patient suffered rather severe hyperemesis gravidarum and displayed a marked anxiety state during the first three months of pregnancy. With frequent reassurance, her fear of pregnancy and childbirth disappeared, and the hyperemesis lessened, although it never stopped completely. She first felt life in November. On Dec. 16, 1951, at 4 a. m., the patient awoke with severe upper abdominal pain and vomiting. The acute pain and vomiting subsided for several hours, and upon