disorder breast disorder lactation disorder http://purl.bioontology.org/ontology/MEDDRA/10013316 http://purl.bioontology.org/ontology/MEDDRA/10061261 http://purl.bioontology.org/ontology/MESH/D007775 http://purl.bioontology.org/ontology/SNOMEDCT/35046003 http://purl.obolibrary.org/obo/NCIT_C79606 A disorder not necessarily related to pregnancy that is observed in females and males. It is characterized by disturbances of milk secretion. Causes include damage to the breast parenchyma due to inflammation, medications, pituitary tumors, and hypothyroidism. disorder of lactation disorder of lactation, NOS lactation disorders unspecified disorder of lactation