title: Severe deficiency of vitamin K dependent coagulation factors in an infant.
abstract: A severe deficiency of vitamin K dependent coagulation factors presenting 25 days after birth in an apparently healthy breast-fed infant is reported. The administration of antibiotics to the lactating mother, and lack of a vitamin K supplement to the new-born baby were possible predisposing factors.
mesh_terms: D000328:Adult; D001778:Blood Coagulation Disorders / Q000150:complications*; D005164:Factor IX; D005167:Factor VII; D005170:Factor X; D005260:Female; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D011247:Pregnancy; D011516:Prothrombin; D014813:Vitamin K Deficiency / Q000150:complications*
chemical_list: D005167:Factor VII; D011516:Prothrombin; D005164:Factor IX; D005170:Factor X