Marked diff between maternal and fetal platelet counts
No antenatal measures predict fetal status
Maternal response to medicine does not guarantee a favorable outcome for baby
Only previous neonatal outcomes provide predictor of neonatal platelet counts.
ITP in Pregnancy
Marrow infiltration 
Inborn errors of metabolism
Viral infections 
Trauma in pregnancy
Marrow suppression 
Acute fatty liver of pregnancy
Congenital thrombocytopenia