Pregnancy
Other Conditions See All Blood Sugar Disorders See All Digestive Disorders See All Babies, Drugs, and Alcohol See All Vision and Hearing Disorders See All Brain Disorders See All Sudden Infant Death Syndrome (SIDS) in Other Conditions Sudden infant death syndrome (SIDS) is the sudden and unexplained death of a baby younger than 1 year old. SIDS is sometimes called crib death because the death may happen when a baby is sleeping in a crib. It’s one of the leading causes of death in babies from ages 1 month to 1 year.