Neonatal alloimmune thrombocytopenia

What it means

Low platelet count associated with maternal platelet-specific alloantibodies.

Neonatal alloimmune thrombocytopenia occurs following fetomaternal transfusions leading to generation of alloreactive antiplatelet antibodies.

Rare diseases that can present with this2

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category