Intravillous hemorrhage.
D002824:Chorionic Villi / Q000473:pathology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D010920:Placenta / Q000473:pathology*; D010922:Placenta Diseases / Q000473:pathology*; D011247:Pregnancy; D006475:Vitamin K Deficiency Bleeding / Q000473:pathology*