RADIOLOGY: HEPATOBILIARY: Case# 33659: FATTY LIVER DUE TO PREGNANCY. 25 year old pregnant female with right upper quadrant pain. Transabdominal ultrasound reveals a homogeneously fatty infiltrated liver with increased echogenicity throughout. No focal defects or lesions are noted. Fatty liver is an acquired and reversible metabolic disorder which results from accumulation of triglycerides within the hepatocytes. The most common cause is obesity, however, pregnancy, diabetes, excessive alcohol intake and multiple other etiologies can be responsible. Three grades of fatty infiltration depending on the sonographic appearance is assigned; mild, moderate, and severe. The presence of fat has no harmful effects and removing the inciting abnormality will reverse the findings.