Objective: Paroxysmal nocturnal hemoglobinuria (PNH) is a rare hematologic disorder characterized by complement-mediated intravascular hemolysis. As maternal complication of PNH is already severe. it becomes much more complex when preeclampsia is superimposed. We present a case of PNH superimposed with severe preeclampsia in the third trimester. https://hollandscountryclothinges.shop/product-category/waterproof-leggings/