Case of Budd-Chiari syndrome 3 months after vaginal delivery.

Budd-Chiari syndrome is a rather unusual clinical situation caused by occlusion of the hepatic vein of inferior vena cava, the classical triad of which are abdominal pain, ascites and hepatomegaly. A 29-year-old gravida 3 para 1 woman delivered an immature male baby weighing 2172 g with an Apgar score of 9 points at 35 weeks and 3 days of gestation. She was transferred to the National Hospital Organization Osaka National Hospital 112 days after delivery due to the sudden development of massive ascites.