umls-concept:C0038644 | skos:definition | MSH: The abrupt and unexplained death of an apparently healthy infant under one year of age, remaining unexplained after a thorough case investigation, including performance of a complete autopsy, examination of the death scene, and review of the clinical history. (Pediatr Pathol 1991 Sep-Oct;11(5):677-84),CSP: sudden and unexpected death of an apparently healthy infant, typically occurring between 3 weeks and 5 months of age, most infants dying at night, and not explained by postmortem data.,MEDLINEPLUS: <p>Sudden infant death syndrome (SIDS) is the sudden, unexplained death of an infant younger than one year old. Some people call SIDS "crib death" because many babies who die of SIDS are found in their cribs. </p><p>SIDS is the leading cause of death in children between one month and one year old. Most SIDS deaths occur when babies are between two months and four months old. Although health care professionals don't know what causes SIDS, they do know ways to reduce the risk. These include</p><ul><li> Placing | lld:umls |