The antenatal diagnosis oplacental calcification.
D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000453:epidemiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D010298:Parity; D010920:Placenta / Q000000981:diagnostic imaging*; D010922:Placenta Diseases / Q000000981:diagnostic imaging; D011225:Pre-Eclampsia / Q000000981:diagnostic imaging; D011247:Pregnancy; D011859:Radiography; D012621:Seasons; D012959:Socioeconomic Factors