Maite Rodriguez and her husband gave their 6-year-old daughter with sickle cell disease a lifeline when they conceived a ...

Most cases are attributed to maternal antibodies against human platelet antigen-1a (HPA-1a), but anti-HPA-5b antibodies have also been identified as a potential factor. A study found that while ...

The American Red Cross, a national nonprofit that supplies about 40 percent of donated blood in the U.S., said someone in the U.S. needs blood or platelets every two seconds. Since blood cannot be ...