SIDSSUID — The Massachusetts Center for Unexpected Infant

sui4dWhat is SIDSSUID? SIDS vs. SUID. In the last several years, the terms connoting sudden infant death have become confusing, not only to parents, but also to professionals and researchers.What is SUID? The term ‘sudden unexpected infant death’ (SUID) means the sudden death of an infant under one year of age that when first discovered did not have an obvious cause.