The sonographic features of intra‐abdominal pregnancy

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Abstract
The sonographic features of three cases of extrauterine, intra‐abdominal pregnancy are presented in conjunction with a brief review of the clinical and radiographic features of the condition. Based on our experience and a review of the literature, we found that the major criteria for the sonographic diagnosis of extrauterine, intra‐abdominal pregnancy include: (1) demonstration of a fetus in a gestational sac outside the uterus, or the depiction of an abdominal or pelvic mass identifiable as the uterus separate from the fetus; (2) failure to see a uterine wall between the fetus and urinary bladder; (3) recognition of a close approximation of the fetus to the maternal abdominal wall; and (4) localization of the placenta outside the confines of the uterine cavity.

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