<unk>  is classified as early, classical or late depending on when it first starts with each having somewhat different types of<unk>  and underlying cause: + Classification of<unk> <unk><unk>  in the newborn <unk>  Syndrome Time of onset Common sites of<unk>  Potential causes Early First 24 hours Scalp, skin, brain, chest, abdomen Maternal medications Classical 1-7 days Gut, umbilicus, skin, nose, circumcision Idiopathic, breast feeding Late After day 8 Brain, skin, gut Idiopathic, breast feeding, cholestasis
Vitamin K deficiency bleeding
Contaminated haemophilia blood products
Venom-induced consumption coagulopathy
Cold autoimmune hemolytic anemia
Quebec platelet disorder
Acquired haemophilia
Postcoital bleeding
Thrombophilia