placenta disorder placenta praevia https://github.com/monarch-initiative/mondo/issues/9097 https://www.malacards.org/card/placenta_praevia placenta previa EFO:0007442 placenta praevia MESH:D010923 DOID:11060 SCTID:36813001 ICD10CM:O44 Abnormal placentation in which the placenta implants in the lower segment of the uterus (the zone of dilation) and may cover part or all of the opening of the cervix. It is often associated with serious antepartum bleeding and premature labor. UMLS:C0032046 MONDO:0005918 ICD10WHO:O44 MEDGEN:10782 NCIT:C26858