Section 2.2
Platelet and Vascular Disorders

Several hours after birth, a baby boy develops petechiae and purpura and a hemorrhagic diathesis. The platelet count is 18 × 109/L. What is the most likely explanation for the low platelet count?

Drug-induced thrombocytopenia Secondary thrombocytopenia Neonatal alloimmune thrombocytopenia Neonatal DIC