Neonatal Alloimmune Thrombocytopenia

**Semantic type:** Disease or Syndrome

**Definition:** Thrombocytopenia that occurs in neonates as a consequence of transplacental passage of maternal alloantibodies directed against fetal platelet antigens.

**Synonyms:** - NAIT - Neonatal Thrombocytopenia due to Platelet Alloimmunization