Piss Like Coca-Cola: PNH

Tracy is not pregnant. She may look pregnant, but she for sure is not. So don't ask her how far along she is. Don't touch her belly and exclaim ""Ohhhh he's gonna be a soccer player"". So why does she look pregnant? Why does her pee look like coca-cola? Why does she need blood thinners or have countless blood transfusions? Because Tracey lives with a rare life threatening disease called Paroxysmal nocturnal hemoglobinuria (PNH).