Intrauterine intervention in a case of recurrent meconium peritonitis

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Abstract
We present a case of recurrent meconium peritonitis detected in the second trimester and treated by intrauterine intervention. Antenatal ultrasound findings included fetal ascites and intra‐abdominal calcification. Aspiration of fetal ascites under ultrasound guidance and determination of the bilirubin concentration established the diagnosis of meconium peritonitis. Paracentesis was repeated to remove irritating intestinal contents and to decrease pressure on the fetal thorax. Although the exact cause of the meconium peritonitis remains unknown, the recurrence of the condition suggests a genetic basis. A possibility of cystic fibrosis was not considered because the clinical picture did not suggest it. Intrauterine intervention helped to establish the diagnosis of meconium peritonitis and may have contributed to the good outcome.