Last Updated：2025/11/20

(pathology) The sudden and unexplained death of an infant aged one month to one year, normally while sleeping.

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sudden infant death syndrome

Source Word

sudden infant death syndrome

uncountable

(pathology) The sudden and unexplained death of an infant aged one month to one year, normally while sleeping.

Japanese Meaning

乳児突然死症候群：1ヶ月から1歳までの乳児が、通常睡眠中に突然かつ原因不明の死を迎える病態

Worried parents asked the pediatrician about sudden infant death syndrome and how to reduce the risks during sleep.

心配した両親は小児科医に乳幼児突然死症候群、つまり睡眠中に起こる乳児の突然かつ説明のつかない死亡と、睡眠中のリスクを減らす方法について尋ねました。

Sense（1）

(pathology) The sudden and unexplained death of an infant aged one month to one year, normally while sleeping.