title: [Extrachorial placenta as a risk factor in gravidity (author's transl)].
mesh_terms: D002823:Chorion; D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature; D010922:Placenta Diseases / Q000150:complications / Q000175:diagnosis*; D011247:Pregnancy; D014592:Uterine Hemorrhage / Q000209:etiology
vernacular_title: Placenta extrachorialis ako rizikový faktor v tehotnosti