Isolated elevation of serum alkaline phosphatase level in an uncomplicated pregnancy: A case report

Serum level of alkaline phosphatase of placental origin was increased >10-fold in a 28-year-old pregnant woman. Repeated abdominal ultrasonographic scans yielded negative results for hepatobiliary disease. After delivery of a healthy baby, the placenta showed no major pathologic characteristics, and the alkaline phosphatase level returned to the reference range.