menstrual hemorrhage menorrhagia http://purl.bioontology.org/ontology/MEDDRA/10027313 http://purl.bioontology.org/ontology/MESH/D008595 http://purl.bioontology.org/ontology/SNOMEDCT/386692008 http://purl.obolibrary.org/obo/HP_0000132 http://purl.obolibrary.org/obo/NCIT_C26829 Excessive uterine bleeding during menstruation. Prolonged and excessive menses at regular intervals in excess of 80 mL or lasting longer than 7 days. heavy menstrual bleeding heavy menstrual hemorrhage hypermenorrhea abnormal uterine hemorrhage