Placental calcification.
D002114:Calcinosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D010920:Placenta / Q000000981:diagnostic imaging*; D010922:Placenta Diseases / Q000000981:diagnostic imaging; D011247:Pregnancy; D011248:Pregnancy Complications / Q000000981:diagnostic imaging*; D011859:Radiography