Heparin-associated antibody with pregnancy: discussion of two cases.

Heparin-associated thrombocytopenia may be a potentially devastating event when linked with thrombosis. Two cases of heparin-associated thrombocytopenia are presented, one with thrombosis that culminated in maternal death. Heparin-associated platelet antibody was seen in both patients. The incidence and management of heparin-associated thrombocytopenia are discussed.