Calcification of the basement-membrane of placental villi.
D000022:Abortion, Spontaneous / Q000473:pathology; D001485:Basement Membrane / Q000473:pathology*; D002114:Calcinosis / Q000473:pathology*; D005260:Female; D006801:Humans; D010920:Placenta / Q000473:pathology*; D010922:Placenta Diseases / Q000473:pathology; D011247:Pregnancy